for
- prep.（表示对象、用途等）给，对;为了，以帮助;（表示感情所针对的人或事物）为，对;代表 （某团体或机构）;受雇于;意思是;支持，拥护;以（提及物）为目的（或功能）;（表示结果）因为，由于;为得到，为获取;以……为交换，以……为代价;就…而言;……后（更好、更快乐等）;（表示去向）往，向（表示去向）往，向;（表示一段时间）达，计;（安排或预定）在…时;为 （某场合）;用于表示延伸的距离;对（某人）来说（困难、必需、愉快等）;是……的义务（或责任）;要不是;对应 （用于比较不同事物间的价值或品质）;想要
- conj.因为;由于
forprep.
（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
There's a letter for you.
有你一封信。
It's a book for children.
这是本儿童读物。
We got a new table for the dining room.
我们给饭厅添了一张新桌子。
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
What can I do for you (= how can I help you) ?
有什么事我可以为你效劳？
Can you translate this letter for me?
你能为我翻译这封信吗？
I took her classes for her while she was sick.
她生病时我为她代课。
soldiers fighting for their country
为祖国出征的军人
关于
concerning sb/sth
They are anxious for her safety.
他们为她的安全担心。
Fortunately for us, the weather changed.
我们运气好，天气变了。
代表
as a representative of
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
She's working for IBM.
她在IBM公司工作。
意思是
meaning
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
Are you for or against the proposal?
你支持还是反对这个建议？
They voted for independence in a referendum.
他们在全民公决投票中赞成独立。
There's a strong case for postponing the exam.
有充分理由推迟考试。
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
a machine for slicing bread
切面包片机
Let's go for a walk.
咱们去散散步。
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？
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
The town is famous for its cathedral.
这个城镇以大教堂著名。
She gave me a watch for my birthday.
她送给我一块手表作为生日礼物。
He got an award for bravery.
他因英勇受奖。
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
He came to me for advice.
他来征求我的意见。
For more information, call this number.
欲知详情，请拨打此电话号码。
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
Copies are available for two dollars each.
两元一份。
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
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。
She's tall for her age.
从她这个年龄看她个子算是高的。
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
You'll feel better for a good night's sleep.
你晚上睡个好觉就会觉得好些。
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
Is this the bus for Chicago?
这辆公共汽车是去芝加哥的吗？
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
I'm going away for a few days.
我要离开几天。
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
an appointment for May 12
5月12日的一次约见
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
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
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
It's useless for us to continue.
我们继续做下去也无用。
There's no need for you to go.
你不必走。
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。
The box is too heavy for me to lift.
这只箱子太沉，我搬不动。
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
It's not for me to say why he left.
不适宜由我说出他离开的原因。
How to spend the money is for you to decide.
怎样花这笔钱由你决定。
to be going to get into trouble or be punished
我们最好赶快，不然要受罚的。
We'd better hurry or we'll be in for it.
used to say that sth is a typical example of its kind
她本来至少可以来电话解释一下。她就这么表示感谢。
She might at least have called to explain. There's gratitude for you.
conj.
for
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In addition to the uses shown below, for is 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。
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2
PREP (表示对象)为了，给，对于
If something is for someone, they are intended to have it or benefit from it.Isn't that enough for you?...
那对你来说不够吗？
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3
PREP 受雇于
If you work or do a job for someone, you are employed by them.I knew he worked for a security firm...
我知道他在一家保安公司工作。
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4
PREP 代表(群体或组织)
If you speak or act for a particular group or organization, you represent them.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。
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PREP 帮助;为了
If someone does something for you, they do it so that you do not have to do it.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。
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PREP 替…(感到);为…(感到)
If you feel a particular emotion for someone, you feel it on their behalf.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！
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PREP (表示情感的对象)对
If you feel a particular emotion for someone or something, they are the object of that emotion, and you feel it when you think about them.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。
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PREP 供…之用;为…所需
You use for after 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.Many new trains have space for wheelchair users...
许多新型列车为坐轮椅者留有空间。
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PREP 供(销售、租用等)
If something is for sale, hire, or use, it is available to be sold, hired, or used....fishmongers displaying freshwater fish for sale...
摆摊卖淡水鱼的鱼贩
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PREP (表示用途或目的)为了，用来
You use for when you state or explain the purpose of an object, action, or activity....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
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PREP (置于名词后)因为，由于
You use for after nouns expressing reason or cause.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。
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CONJ-SUBORD (引导从句)因为，为了
You can use for to introduce a clause which gives the reason why you made the statement in the main clause.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。
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PREP 因为;以…为原因
You can use for to introduce the cause of the fact that you have just mentioned....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
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PREP (用于条件句中)如果不是为了，要不是
For is 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.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。
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PREP (表示时间)持续
You use for to say how long something lasts or continues.The toaster remained on for more than an hour...
烤面包机持续开了一个多小时。
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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)。
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17
PREP (表示距离)延伸
You use for to say how far something extends.We drove on for a few miles...
我们继续往前开了几公里。
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PREP 花费;以…的价钱
If something is bought, sold, or done for a particular amount of money, that amount of money is its price.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。
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PREP 在(指定的时间)
If something is planned for a particular time, it is planned to happen then....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
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PREP 在，为了(某个场合)
If you do something for a particular occasion, you do it on that occasion or to celebrate that occasion.He asked his daughter what she would like for her birthday...
他问女儿过生日想要什么。
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PREP 去;前往
If you leave for a particular place or if you take a bus, train, plane, or boat for a place, you are going there.They would be leaving for Rio early the next morning.
他们第二天一早要去里约。
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PREP 对…来说
You use for when you make a statement about something in order to say how it affects or relates to someone, or what their attitude to it is.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。
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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 use for to introduce the subject of the action indicated by the following infinitive verb.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。
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PREP 就…而言(表示相对来说不寻常)
You use for when you say that an aspect of something or someone is surprising in relation to other aspects of them.He was tall for an eight-year-old...
对一个 8 岁的孩子而言，他长得很高。
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PREP 愿意做;打算从事;想要
If you say that you are for a particular activity, you mean that this is what you want or intend to do.Right, who's for a toasted sandwich then?...
好吧，谁想要吐司三明治？
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PREP 为…喜欢;对…适合
If you say that something is not for you, you mean that you do not enjoy it or that it is not suitable for you.Wendy decided the sport was not for her...
温迪认定这项运动不适合她。
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PREP (表示负有责任或享有权利)由…
If it is for you to do something, it is your responsibility or right to do it.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。
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PREP 支持;同意
If you are for something, you agree with it or support it.Are you for or against public transport?...
你是支持还是反对公共交通？
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PREP (用于 argue, case, evidence, vote 等词后，引出所支持或被证明之事)
You use for after words such as 'argue', 'case', 'evidence', or 'vote' in order to introduce the thing that is being supported or proved.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。
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30
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)
For is 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.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。
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31
PREP 以…命名
To be named for someone means to be given the same name as them.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。
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PREP (与 every 连用，引出比率)每…(就有…)
You use for with 'every' when you are stating a ratio, to introduce one of the things in the ratio.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。
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PREP (用于比较)每镑对每镑/每英里对每英里
You can use for in expressions such as pound for pound or mile for mile when you are making comparisons between the values or qualities of different things....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
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35
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 expression for the second one.The technical term for sunburn is erythema...
晒斑的专业术语是红斑。
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36
PREP (引出可在其他地方找到的信息)至于，对于
You use for in a piece of writing when you mention information which will be found somewhere else.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》。
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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)。
B -
38
PHRASE (尽管有不同意见或实际困难)完全赞成,坚信
If you say that you are all for doing 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.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。
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PHRASE 会惹麻烦;要闯祸
If you are in for it or, in British English, if you are for it, you are likely to get into trouble because of something you have done. -
40
PHRASE 首次/最后一次
You use expressions such as for the first time and for the last time when you are talking about how often something has happened before.He was married for the second time, this time to a Belgian...
他第二次结婚，这一次是和一个比利时人。
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41
but for→ see:but
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This is a new experience for me .
对于我来说，这是一次从未有过的经历。
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The new drug has great significance for the treatment of the disease .
这种新药对于这种病的治疗有重大的意义。
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This will be a problem for some time to come .
这将是未来一段时期里的一个问题。
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It 's a present for one of my children .
这是送给我的一个孩子的礼物。
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Take this to the bank for me , would you ?
请替我把这送到银行去好吗？
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What is the current status of our application for funds ?
我们申请资金目前进展状况如何？
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It 's the software of choice for business use .
这是商务专用软件。
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The method is specifically designed for use in small groups .
这方法是专为小组活动设计的。
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What do you charge for work of this type ?
这种活你收多少钱？
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A week off would give him time for reflection .
歇上一周会使他有时间考虑考虑。
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Digital television has been around for some time now .
数字电视已经面市一段时间了。
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The blood samples are sent to the laboratory for analysis .
血样要送往实验室进行分析。
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This site has been chosen for the new school .
这块场地已被选作新学校的校址。
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This system sets the pattern for others to follow .
这个系统堪为他人仿效的典范。
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The government plans to create more jobs for young people .
政府计划为年轻人创造更多的就业机会。
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There is a full range of activities for children .
这里有给孩子们提供的各种活动。
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The fashion at the time was for teaching mainly the written language .
那时教学时兴的主要是书面语。
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Would you like my old TV in exchange for this camera ?
用我的旧电视机换这架照相机，你愿意吗？
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There were a large number of candidates for the job .
有许多求职者申请这份工作。
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The new economic policies could prove suicidal for the party .
新经济政策可能给该党带来灾难性的后果。
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What 's the form when you apply for a research grant ?
申请科研补助金按常规应该怎么办？
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Where would be the best position for the lights ?
这些灯装在什么位置最好？
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Applying for jobs can be a long and painful process .
求职可能是一个漫长而又艰难的历程。
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I 'm saving for a new car .
我正攒钱想买辆新车。
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Is it too much to ask for a little quiet ?
请略微安静一点儿，这个要求过分吗？
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That ought to be enough food for the four of us .
这些食物应该够咱们四个人吃了。
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Isn 't it time the government came clean about their plans for education ?
这难道不是政府彻底说明教育计划的时候了吗？
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This training course will qualify you for a better job .
本培训课程将使你能胜任更好的工作。
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The market for computer games has reached saturation point .
电脑游戏市场已达到饱和。
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The food was not fit for human consumption .
这食物不适合人吃。
语气最强，表示因果关系，通常用来回答由 why 引导的疑问句。由 because 引导的分句置于句首时，须用逗号与主句隔开，置于句末时则不用隔开。
Because the traffic is so busy, she failed to arrive at the station on time.
因为路上交通太拥挤，她没能准时赶到车站。
He came back late because there was something wrong with his car.
他回来晚了，因为汽车出了故障。
如果所述理由是明显的或者已知的，则用 as 较 because 更为合适。
As it's raining, you'd better stay at home.
既然在下雨，你最好呆在家里。
He puts the ice cream into the fridge immediately, as it melts easily.
他马上把冰激凌放进冰箱，因为它很容易化掉。
for 属于并列连词，由它引导的分句表示补充说明性的理由，通常只能置于句末，且必须用逗号与前面的分句隔开。
He must have passed this way, for here are his footprints.
他肯定是从这条路走过去的，这里有他的脚印。
He has to work hard, for he wants to support his family.
因为要养家糊口，他必须努力工作。
当所述原因是已知的客观事实或被当作推断的理由时用 since，语气略强于 as。
Since he is absent, let's begin.
既然他不在，我们就开始吧。
Susan must have come back home, since her coat is not in the wardrobe.
苏珊肯定回过家，因为她挂在衣橱里的外套不见了。
- 习语