for

英 [fɔː(r) , fə(r)]

美 [fɔːr , fər]

prep.  (表示对象、用途等)给，对，供; 以帮助; 为了; 关于
conj.  因为; 由于

中考高考CET4考研计算机

Oxford 3000 / Collins.5 / BNC.12 / COCA.13

同义词辨析

becauseasforsince【导航词义：因为，由于】

习惯用语

prep.

be in for it
• 会惹出麻烦；要受惩罚
  to be going to get into trouble or be punished
• We'd better hurry or we'll be in for it.
  我们最好赶快，不然要受罚的。
for all
• 尽管；虽然
  despite
• For all its clarity of style, the book is not easy reading.
  这本书虽然文体清晰，但读起来并不容易。
• （表示对某人不重要、无价值或无所谓）
  used to say that sth is not important or of no interest or value to you/sb
• For all I know she's still living in Boston.
  据我所知她还住在波士顿。
• You can do what you like, for all I care.
  你想干什么就可以干什么，我才不管呢。
• For all the good it's done we might as well not have bothered.
  那件事带来的好处不多，我们本不该操心的。
there's/that's… for you
• …的典型；…就是这样
  used to say that sth is a typical example of its kind
• She might at least have called to explain. There's gratitude for you.
  她本来至少可以来电话解释一下。她就这么表示感谢。

牛津词典

prep.

• （表示对象、用途等）给，对，供
  used to show who is intended to have or use sth or where sth is intended to be put
  1. There's a letter for you.
     有你一封信。
  2. It's a book for children.
     这是本儿童读物。
  3. We got a new table for the dining room.
     我们给饭厅添了一张新桌子。
  4. This is the place for me (= I like it very much) .
     这里很适合我。
• 以帮助；为了
  in order to help sb/sth
  1. What can I do for you (= how can I help you) ?
     有什么事我可以为你效劳？
  2. Can you translate this letter for me?
     你能为我翻译这封信吗？
  3. I took her classes for her while she was sick.
     她生病时我为她代课。
  4. soldiers fighting for their country
     为祖国出征的军人
• 关于
  concerning sb/sth
  1. They are anxious for her safety.
     他们为她的安全担心。
  2. Fortunately for us, the weather changed.
     我们运气好，天气变了。
• 代表
  as a representative of
  1. I am speaking for everyone in this department.
     我代表这个部门全体人员讲话。
• 受雇于
  employed by
  1. She's working for IBM.
     她在IBM公司工作。
• 意思是
  meaning
  1. Shaking your head for ‘No’ is not universal.
     以摇头表示“不”，并非放诸四海而皆准。
• 支持；拥护
  in support of sb/sth
  1. Are you for or against the proposal?
     你支持还是反对这个建议？
  2. They voted for independence in a referendum.
     他们在全民公决投票中赞成独立。
  3. There's a strong case for postponing the exam.
     有充分理由推迟考试。
  4. I'm all for people having fun.
     我完全赞成人们尽情享乐。
• （表示目的或功能）
  used to show purpose or function
  1. a machine for slicing bread
     切面包片机
  2. Let's go for a walk.
     咱们去散散步。
  3. Are you learning English for pleasure or for your work?
     你学英语是出于消遣还是为了工作？
  4. What did you do that for (= Why did you do that) ?
     你为什么干那件事？
• 因为；由于
  used to show a reason or cause
  1. The town is famous for its cathedral.
     这个城镇以大教堂著名。
  2. She gave me a watch for my birthday.
     她送给我一块手表作为生日礼物。
  3. He got an award for bravery.
     他因英勇受奖。
  4. I couldn't speak for laughing.
     我笑得说不出话来。
• 为得到；为获取
  in order to obtain sth
  1. He came to me for advice.
     他来征求我的意见。
  2. For more information, call this number.
     欲知详情，请拨打此电话号码。
  3. There were over fifty applicants for the job.
     有五十多人申请这个工作。
• 换取
  in exchange for sth
  1. Copies are available for two dollars each.
     两元一份。
  2. I'll swap these two bottles for that one.
     我要拿这两瓶换那一瓶。
• 就…而言
  considering what can be expected from sb/sth
  1. The weather was warm for the time of year.
     在一年的这个时节这天气算是暖和的了。
  2. She's tall for her age.
     从她这个年龄看她个子算是高的。
  3. That's too much responsibility for a child.
     对于一个孩子来说，这责任是太重了。
• …后（更好、更快乐等）
  better, happier, etc. following sth
  1. You'll feel better for a good night's sleep.
     你晚上睡个好觉就会觉得好些。
  2. This room would look more cheerful for a spot of paint.
     这个房间油漆一下就会显得更加悦目。
• （表示去向）往，向
  used to show where sb/sth is going
  1. Is this the bus for Chicago?
     这辆公共汽车是去芝加哥的吗？
  2. She knew she was destined for a great future.
     她知道她注定要成大器。
• （表示一段时间）
  used to show a length of time
  1. I'm going away for a few days.
     我要离开几天。
  2. That's all the news there is for now .
     目前新闻就这么多。
• （安排或预定）在…时
  used to show that sth is arranged or intended to happen at a particular time
  1. an appointment for May 12
     5月12日的一次约见
  2. We're invited for 7.30.
     我们受到邀请，7点30分出席。
• （表示场合）
  used to show the occasion when sth happens
  1. I'm warning you for the last time─stop talking!
     我最后一次警告你——闭嘴！
• （表示距离）
  used to show a distance
  1. The road went on for miles and miles.
     这条道路绵延数英里。
• 对（某人）来说（困难、必需、愉快等）
  used to say how difficult, necessary, pleasant, etc. sth is that sb might do or has done
  1. It's useless for us to continue.
     我们继续做下去也无用。
  2. There's no need for you to go.
     你不必走。
  3. For her to have survived such an ordeal was remarkable.
     她经历了那样的苦难活下来了，真不简单。
  4. The box is too heavy for me to lift.
     这只箱子太沉，我搬不动。
  5. Is it clear enough for you to read?
     这个你读起来清不清楚？
• （表示谁可以或应该做某事）
  used to show who can or should do sth
  1. It's not for me to say why he left.
     不适宜由我说出他离开的原因。
  2. How to spend the money is for you to decide.
     怎样花这笔钱由你决定。

conj.

• 因为；由于
  used to introduce the reason for sth mentioned in the previous statement
  1. We listened eagerly, for he brought news of our families.
     我们急不可待地听着，因为他带来了我们家人的消息。
  2. I believed her─for surely she would not lie to me.
     我相信她的话——因为她肯定不会向我撒谎。

柯林斯词典

In addition to the uses shown below,foris used after some verbs, nouns, and adjectives in order to introduce extra information, and in phrasal verbs such as ‘account for’ and ‘make up for’. It is also used with some verbs that have two objects in order to introduce the second object.
除下列用法外，for 还可以用在一些动词、名词和形容词后，以引出更多信息，还可以用于 account for，make up for 等短语动词中。for 还可以和一些有双宾语的动词连用，引出第二个宾语。

• PREP (表示对象)为了，给，对于
  If something isforsomeone, they are intended to have it or benefit from it.
  1. Isn't that enough for you?...
     那对你来说不够吗？
  2. I have some free advice for you.
     我可以为你提供免费咨询。
  3. ...that intense need to care for your baby.
     那种想要照顾自己婴儿的迫切需要
  4. ...a table for two...
     两个人的位子
  5. Your mother is only trying to make things easier for you...
     你的母亲只是想把一切安排好，让你未来更顺畅。
  6. What have you got for me this morning, Patrick?...
     今天上午你为我安排了些什么，帕特里克?
  7. He wanted all the running of the business for himself.
     他想自己管理整个企业。
• PREP 受雇于
  If you work or do a jobforsomeone, you are employed by them.
  1. I knew he worked for a security firm...
     我知道他在一家保安公司工作。
  2. Have you had any experience writing for radio?
     你有给电台写稿子的经验吗？
  3. ...a buyer for one of the largest chain stores in the south.
     南方最大的一家连锁店的采购
• PREP 代表(群体或组织)
  If you speak or actfora particular group or organization, you represent them.
  1. She appears nightly on the television news, speaking for the State Department.
     她作为国务院的发言人，每晚都会出现在电视新闻中。
  2. ...the spokesman for the Democrats.
     民主党发言人
• PREP 帮助;为了
  If someone does somethingforyou, they do it so that you do not have to do it.
  1. If your pharmacy doesn't stock the product you want, have them order it for you...
     如果药店没有你想要的药品，让他们为你订购。
  2. I hold a shop door open for an old person...
     我帮一位老人把住店门。
  3. He picked the bracelet up for me.
     他帮我把手镯捡了起来。
• PREP 替…(感到);为…(感到)
  If you feel a particular emotionforsomeone, you feel it on their behalf.
  1. This is the best thing you've ever done – I am so happy for you!...
     这是你做得最棒的一件事——我为你感到高兴！
  2. He felt a great sadness for this little girl.
     他为这个小女孩深感悲哀。
• PREP (表示情感的对象)对
  If you feel a particular emotionforsomeone or something, they are the object of that emotion, and you feel it when you think about them.
  1. John, I'm sorry for Steve, but I think you've made the right decisions...
     约翰，我为史蒂夫感到难过，但是我想你的决定是正确的。
  2. Mack felt a pitiless contempt for her.
     麦克对她没有同情，只有鄙夷。
• PREP 供…之用;为…所需
  You useforafter words such as 'time', 'space', 'money', or 'energy' when you say how much there is or whether there is enough of it in order to be able to do or use a particular thing.
  1. Many new trains have space for wheelchair users...
     许多新型列车为坐轮椅者留有空间。
  2. It would take three to six hours for a round trip...
     往返行程需要 3 到 6 个小时。
  3. ...a huge room with plenty of room for books...
     可摆放许多书的大房间
  4. Chris couldn't even raise the energy for a smile.
     克里斯甚至连笑一笑的力气都没有。
• PREP 供(销售、租用等)
  If something isforsale, hire, or use, it is available to be sold, hired, or used.
  1. ...fishmongers displaying freshwater fish for sale...
     摆摊卖淡水鱼的鱼贩
  2. Skis are available for hire on a daily basis.
     雪橇可以按天租用。
  3. ...a room for rent.
     供租用的房间
  4. ...a comfortable chair, suitable for use in the living room.
     适合在客厅使用的舒服椅子
• PREP (表示用途或目的)为了，用来
  You useforwhen you state or explain the purpose of an object, action, or activity.
  1. ...drug users who use unsterile equipment for injections of drugs...
     使用未经消毒的注射器注射毒品的吸毒者
  2. The knife for cutting sausage was sitting in the sink.
     切香肠用的刀放在水槽里。
  3. ...economic aid for the future reconstruction of the country.
     用于该国未来重建的经济援助
• PREP (置于名词后)因为，由于
  You useforafter nouns expressing reason or cause.
  1. He's soon to make a speech in parliament explaining his reasons for going...
     他很快要在议会发表讲话，说明他辞职的原因。
  2. The county hospital could find no physical cause for Sumner's problems...
     关于萨姆纳的问题，县医院查不出任何生理上的原因。
  3. He has now been formally given the grounds for his arrest.
     他现在已被正式告知了自己被捕的原因。
• CONJ-SUBORD (引导从句)因为，为了
  You can useforto introduce a clause which gives the reason why you made the statement in the main clause.
  1. He had a great desire to have a home of his own for he had always lived with my grandmother.
     他强烈渴望拥有一个属于自己的家，因为他一直和我祖母住在一起。
• PREP 因为;以…为原因
  You can useforto introduce the cause of the fact that you have just mentioned.
  1. ...doing jobs that others turn down for lack of skill...
     做别人不愿意做的没有技术含量的工作
  2. They cannot sleep for hunger.
     他们饿得睡不着。
• PREP (用于条件句中)如果不是为了，要不是
  Foris used in conditional sentences, in expressions such as 'if not for' and 'were it not for', to introduce the only thing which prevents the main part of the sentence from being true.
  1. If not for John, Brian wouldn't have learned the truth...
     要不是因为约翰，布赖恩也不可能知道真相。
  2. The earth would be a frozen ball if it were not for the radiant heat of the sun...
     如果没有太阳辐射的热量，地球就会变成一个冰球。
  3. She might have forgotten her completely had it not been for recurrent nightmares.
     要不是因为反复做噩梦，她可能已经把她彻底忘了。
• PREP (表示时间)持续
  You useforto say how long something lasts or continues.
  1. The toaster remained on for more than an hour...
     烤面包机持续开了一个多小时。
  2. For a few minutes she sat on her bed watching the clock...
     她坐在床上盯着时钟看了几分钟。
  3. He smoked one and a half packs of cigarettes a day for about 25 years...
     大约 25 年来，他每天都要抽一包半烟。
  4. They talked for a bit.
     他们聊了一小会儿。

You useforto say how long a period lasts in the past, present, or future, or how much time passes without something happening.She slept for eight hours… He will be away for three weeks… I hadn't seen him for four years.You usesinceto say when a period of time started.She has been with the group since it began. …the first civilian president since the coup 17 years ago.You also usesinceto refer to the last time that something happened, or to how much time passes without something happening.She hadn'teaten since breakfast… It was a long time since she had been to church.
for 用于表示在过去、现在或将来持续的一段时间，或某事发生之前的时间长短。例如：She slept for eight hours (她睡了8个小时)，He will be away for three weeks (他要离开3周)，I hadn't seen him for four years (我已经4年没见过他了)。since 用于表示一段时间的开始，例如：She has been with the group since it began (这个集团创建之初她就在那里工作)，the first civilian president since the coup 17 years ago (自17年前的政变以来的首位平民总统)。since 也可用于指某事最后一次发生的时间或某事发生之前的时间长短，例如：She hadn't eaten since breakfast (她早饭后就没吃过东西)，It was a long time since she had been to church (她很长时间没去教堂了)。

• PREP (表示距离)延伸
  You useforto say how far something extends.
  1. We drove on for a few miles...
     我们继续往前开了几公里。
  2. Great clouds of black smoke were rising for several hundred feet or so.
     大片的黑色烟云升至大约几百英尺的空中。
• PREP 花费;以…的价钱
  If something is bought, sold, or donefora particular amount of money, that amount of money is its price.
  1. We got the bus back to Tange for 30 cents...
     我们花了 30 美分坐公共汽车回到坦格。
  2. The Martins sold their house for about 1.4 million pounds...
     马丁夫妇把他们的房子卖了 140 万英镑。
  3. The doctor was prepared to do the operation for a large sum.
     医生做这个手术需要收取高额费用。
• PREP 在(指定的时间)
  If something is plannedfora particular time, it is planned to happen then.
  1. ...the Welsh Boat Show, planned for July 30–August 1...
     预定于 7 月 30 日至 8 月 1 日期间举办的威尔士船展
  2. Marks & Spencer will be unveiling its latest fashions for autumn and winter...
     玛莎百货的最新款秋冬季时装即将亮相。
  3. The party was scheduled for 7:00.
     派对定在 7 点举行。
• PREP 在，为了(某个场合)
  If you do somethingfora particular occasion, you do it on that occasion or to celebrate that occasion.
  1. He asked his daughter what she would like for her birthday...
     他问女儿过生日想要什么。
  2. I'll be home for Christmas.
     我会回家过圣诞节。
• PREP 去;前往
  If you leavefora particular place or if you take a bus, train, plane, or boatfora place, you are going there.
  1. They would be leaving for Rio early the next morning.
     他们第二天一早要去里约。
• PREP 对…来说
  You useforwhen you make a statement about something in order to say how it affects or relates to someone, or what their attitude to it is.
  1. What matters for most scientists is money and facilities...
     对多数科学家来说，资金和设备是至关重要的。
  2. For her, books were as necessary to life as bread...
     对她来说，书就像面包一样，是生活必需品。
  3. It would be excellent experience for him to travel a little.
     对他来说，偶尔出去旅游会是很不错的经历。
• PREP (用于形容词、名词和动词短语后，引出其后动词不定式的主语)
  After some adjective, noun, and verb phrases, you useforto introduce the subject of the action indicated by the following infinitive verb.
  1. It might be possible for a single woman to be accepted as a foster parent...
     有可能会接受单身女子作为领养人。
  2. I had made arrangements for my affairs to be dealt with by one of my children...
     我已经安排我的一个孩子处理我的事务。
  3. He held out his glass for an old waiter to refill.
     他把杯子递给一个老服务生重新续杯。
• PREP 就…而言(表示相对来说不寻常)
  You useforwhen you say that an aspect of something or someone is surprising in relation to other aspects of them.
  1. He was tall for an eight-year-old...
     对一个 8 岁的孩子而言，他长得很高。
  2. He had too much money for a young man.
     对于一个年轻人来说，他太有钱了。
• PREP 愿意做;打算从事;想要
  If you say that you arefora particular activity, you mean that this is what you want or intend to do.
  1. Right, who's for a toasted sandwich then?...
     好吧，谁想要吐司三明治？
  2. 'What'll it be?' Paul said. —'I'm for halibut.'
     “要吃什么？”保罗说。——“我要吃大比目鱼。”
• PREP 为…喜欢;对…适合
  If you say that something isnotforyou, you mean that you do not enjoy it or that it is not suitable for you.
  1. Wendy decided the sport was not for her...
     温迪认定这项运动不适合她。
  2. Not for me the settled life...
     安定的生活并不适合我。
  3. I'm afraid German beer isn't for me.
     恐怕我喝不了德国啤酒。
• PREP (表示负有责任或享有权利)由…
  If it isforyoutodo something, it is your responsibility or right to do it.
  1. I wish you would come back to Washington with us, but that's for you to decide...
     我希望你能和我们一起回华盛顿，但是这由你决定。
  2. It is not for me to arrange such matters.
     我无权安排这些事情。
• PREP 支持;同意
  If you areforsomething, you agree with it or support it.
  1. Are you for or against public transport?...
     你是支持还是反对公共交通？
  2. I'm for a government that the people respect and that respects the people...
     我拥护一个受到人民尊重并且尊重人民的政府。
  3. No, I'm not for abolishing prizes and denying novelists their money.
     不，我不赞成停止颁奖和取消小说家的奖金。
• PREP (用于 argue, case, evidence, vote 等词后，引出所支持或被证明之事)
  You useforafter words such as 'argue', 'case', 'evidence', or 'vote' in order to introduce the thing that is being supported or proved.
  1. Another union has voted for industrial action in support of a pay claim...
     另一个工会已经投票赞成采取要求加薪的劳工行动。
  2. The case for nuclear power is impressive...
     这个支持核能的案例令人印象深刻。
  3. We have no real, objective, scientific evidence for our belief.
     我们并无实际、客观、科学的证据支撑我们的信仰。
  4. ...committees arguing for increased support of technical education.
     赞成加大力度支持技术教育的委员会
  5. Foris also an adverb.
     
  6. 833 delegates voted for, and only 432 against.
     833名代表投票赞成，只有 432 人反对。
• PREP (置于某些名词、形容词或动词后，引出更多信息或与某性质、事物或行为相关的事物)
  Foris the preposition that is used after some nouns, adjectives, or verbs in order to introduce more information or to indicate what a quality, thing, or action relates to.
  1. Reduced-calorie cheese is a great substitute for cream cheese...
     低卡路里干酪是奶油干酪的极佳替代品。
  2. Car park owners should be legally responsible for protecting vehicles...
     停车场场主有保护停放车辆的法律责任。
  3. Be prepared for both warm and cool weather...
     对冷暖天气都要做好准备。
  4. Make sure you have ample time to prepare for the new day ahead...
     要保证你有足够的时间为即将开始的新的一天做好准备。
  5. Special bus and rail services are being laid on to cater for the crowds...
     正在安排专门的巴士和铁路交通服务以满足群众的需要。
  6. He was destined for a career in the Bank of England.
     他注定要在英格兰银行开始职业生涯。
• PREP 以…命名
  To be namedforsomeone means to be given the same name as them.
  1. The Brady Bill is named for former White House Press Secretary James Brady...
     布雷迪法案是以前白宫新闻秘书詹姆斯·布雷迪的名字命名的。
  2. Ayer started N. W. Ayer & Son in 1869, naming the firm for his father.
     艾尔在1869 年成立了 N. W. 艾尔父子公司，公司以他父亲的名字命名。

in BRIT, use 英国英语用after


• PREP (与 every 连用，引出比率)每…(就有…)
  You useforwith 'every' when you are stating a ratio, to introduce one of the things in the ratio.
  1. For every farm job that is lost, two or three other jobs in the area are put at risk...
     在该地区每有一个农民失去工作，另外两到三个从事其他工作的人就会面临失业的危险。
  2. Where there had been one divorce for every 100 marriages before the war, now there were five.
     战前每100对夫妇中有一对离婚，现在则是 5 对。
• PREP (用于比较)每镑对每镑/每英里对每英里
  You can useforin expressions such aspound for poundormile for milewhen you are making comparisons between the values or qualities of different things.
  1. ...the Antarctic, mile for mile one of the planet's most lifeless areas...
     南极洲的每一寸土地和世界上其他地方相比都是最荒芜的
  2. He insists any tax cut be matched dollar-for-dollar with cuts in spending.
     他坚持每一项减税都要和支出削减一一对应。
• PREP (意思)相当于，等于
  If a word or expression has the same meaning as another word or expression, you can say that the first one is another word or expressionforthe second one.
  1. The technical term for sunburn is erythema...
     晒斑的专业术语是红斑。
  2. Cancer is derived from the Greek word for crab, karkinos.
     cancer 这个词派生自希腊语中表示螃蟹的 karkinos 一词
• PREP (引出可在其他地方找到的信息)至于，对于
  You useforin a piece of writing when you mention information which will be found somewhere else.
  1. For further information on the life of William James Sidis, see Amy Wallace, 'The Prodigy'.
     想了解关于威廉·詹姆斯·西迪斯生平的更多信息，请参阅埃米·华莱士所著《神童》。

Bothforandtocan be used to talk about somebody's purpose, but in different structures.Formust be followed by a noun when expressing purpose.Occasionally I go to the pub for a drink.Foris not normally used before a verb. You cannot say 'I go to the pub for to have a drink'. You can useforbefore an -ing form to describe the purpose of an object.…a small machine for weighing the post. With verbs, the infinitive is used without 'for'.She then went off to fetch help.
for 和 to 都可以用于谈论某人的目的，但是所用结构不同。表示目的时，for 后面必须接名词，例如:Occasionally I go to the pub for a drink (我偶尔会到酒吧里喝一杯)。for 一般不用在动词前。不能说I go to the pub for to have a drink。可以在-ing形式前用for来描述某物的用途，例如:a small machine for weighing the post (给邮件称重的小机器)。for 不与动词不定式连用, 如: She then went off to fetch help (她接着出去找人帮忙)。

• PHRASE (尽管有不同意见或实际困难)完全赞成,坚信
  If you say that you areall fordoing something, you agree or strongly believe that it should be done, but you are also often suggesting that other people disagree with you or that there are practical difficulties.
  1. I am all for cutting carbon dioxide emissions, but that would be much more easily achieved by giving subsidies to windpower, than with nuclear power...
     我完全赞成减少二氧化碳的排放，但是，相比发展核能，对发展风能提供补贴更容易实现这一目标。
  2. He is all for players earning what they can while they are in the game...
     他完全赞成现役运动员尽可能多赚钱。
  3. I was all for it, but Wolfe said no.
     我对此完全赞成，但是乌尔夫说不行。
• 会惹麻烦;要闯祸
  If youare in for itor, in British English, if youare for it, you are likely to get into trouble because of something you have done.
• 他第二次结婚，这一次是和一个比利时人。 → see:He was married for the second time, this time to a Belgian...
• but for→ see:but

双语例句

• The knife for cutting sausage was sitting in the sink.
  切香肠用的刀放在水槽里。
• If not for John, Brian wouldn't have learned the truth
  要不是因为约翰，布赖恩也不可能知道真相。
• This is the best thing you've ever done – I am so happy for you!
  这是你做得最棒的一件事——我为你感到高兴！
• They would be leaving for Rio early the next morning.
  他们第二天一早要去里约。
• Marks& Spencer will be unveiling its latest fashions for autumn and winter
  玛莎百货的最新款秋冬季时装即将亮相。
• Skis are available for hire on a daily basis.
  雪橇可以按天租用。
• What matters for most scientists is money and facilities
  对多数科学家来说，资金和设备是至关重要的。
• He's soon to make a speech in parliament explaining his reasons for going
  他很快要在议会发表讲话，说明他辞职的原因。
• It might be possible for a single woman to be accepted as a foster parent
  有可能会接受单身女子作为领养人。
• Many new trains have space for wheelchair users
  许多新型列车为坐轮椅者留有空间。