as
- prep.像;如同;作为;当作
- adv.(比较时用)像…一样，如同;(指事情以同样的方式发生)和…一样
- conj.当…时;随着;照…方式;因为;由于;正如;尽管
- n.“A”的复数;阿斯
asprep.
像；如同
used to describe sb/sth appearing to be sb/sth else
They were all dressed as clowns.
他们都打扮成小丑。
The bomb was disguised as a package.
炸弹伪装成一个包裹。
作为；当作
used to describe the fact that sb/sth has a particular job or function
She works as a courier.
她的职业是导游。
Treat me as a friend.
要把我当作朋友。
I respect him as a doctor.
我尊敬他这个医生。
You can use that glass as a vase.
你可以把那个玻璃杯当作花瓶用。
The news came as a shock.
消息传来，令人震惊。
She had been there often as a child (= when she was a child) .
她小时候常去那里。
adv.
（比较时用）像…一样，如同
used when you are comparing two people or things, or two situations
You're as tall as your father.
你和你父亲一样高。
He was as white as a sheet.
他面无血色。
She doesn't play as well as her sister.
她演奏得不如她姐姐。
I haven't known him as long as you (= as you have known him) .
我认识他的时间没有你长。
He doesn't earn as much as me.
他挣的钱比我少。
He doesn't earn as much as I do.
他挣的钱不如我多。
It's not as hard as I thought.
这没有我想象的那么困难。
Run as fast as you can.
你尽量快跑。
We'd like it as soon as possible.
我们希望越快越好。
（指事情以同样的方式发生）和…一样
used to say that sth happens in the same way
As always, he said little.
他和平时一样，少言寡语。
The ‘h’ in honest is silent, as in ‘hour’.
honest中的h与hour中的h一样都不发音。
conj.
当…时；随着
while sth else is happening
He sat watching her as she got ready.
他一直坐着看她准备停当。
As she grew older she gained in confidence.
随着年龄的增长她的信心增强了。
照…方式
in the way in which
They did as I had asked.
他们是按照我的要求做的。
Leave the papers as they are.
别去动那些文件。
She lost it, just as I said she would.
我就说了吧，她把它丢了。
因为；由于
used to state the reason for sth
As you were out, I left a message.
你不在，所以我留了一张字条儿。
She may need some help as she's new.
她是新来的，可能需要一些帮助。
正如；如同
used to make a comment or to add information about what you have just said
As you know, Julia is leaving soon.
你是知道的，朱莉娅马上要离开了。
She's very tall, as is her mother.
她个子很高，和她母亲一样。
尽管；虽然；即使
used to say that in spite of sth being true, what follows is also true
Happy as they were, there was something missing.
尽管他们很快乐，但总缺少点什么。
Try as he might (= however hard he tried) , he couldn't open the door.
他想尽了办法也没能打开门。
in contrast with sth
这次选举他们得了27%的票，而上次他们得了32%。
They got 27% of the vote as against 32% at the last election.
used to say that sth may happen at some time in the future, but only when sth else has happened
将来我们具备了条件时就会决定成立这个队。
We'll decide on the team as and when we qualify.
I'll tell you more as and when (= as soon as I can) .
我一有可能就会告诉你更多情况。
used to start talking about sb/sth
至于乔，她现在日子过得不错。
As for Jo, she's doing fine.
As for food for the party, that's all being taken care of.
关于聚会要用的食物，都在置办当中。
used to show the time or date from which sth starts
我们的传真号码自5月12日起更改。
Our fax number is changing as from May 12.
in a way that suggests sth
他表现得若无其事。
He behaved as if nothing had happened.
It sounds as though you had a good time.
听起来你好像过得挺愉快。
It's my birthday. As if you didn't know!
今天是我的生日。你好像不知道似的！
‘Don't say anything.’ ‘ As if I would! ’ (= surely you do not expect me to)
“什么也别说。”“我才不会说呢！”
considering the present situation; as things are
我们本希望在下周完成——看样子可能要下下周才行。
We were hoping to finish it by next week─as it is, it may be the week after.
I can't help─I've got too much to do as it is (= already) .
我帮不了忙——我已经有太多的工作了。
used when a speaker is giving his or her own impression of a situation or expressing sth in a particular way
当老师发现学生神色茫然时，就应该在一定程度上放慢速度。
Teachers must put the brakes on, as it were, when they notice students looking puzzled.
used when you are referring to sth
至于税款，将从你薪水中扣除。
As to tax, that will be deducted from your salary.
used as a comment on sth that you have just said
他微笑，我也报以微笑。真所谓礼尚往来。
He smiled and I smiled back. As you do.
You can use both as and like to say that things are similar.as和like均可表示相似。
Like is a preposition and is used before nouns and pronouns.like为介词，置于名词和代词前：
He has blue eyes like me.
他和我一样有一双蓝眼睛。
As is a conjunction and an adverb and is used before a clause, another adverb or a clause beginning with a preposition.as为连词和副词，置于从句、另一副词或以介词引导的从句前：
She enjoys all kinds of music, as I do.
她和我一样什么音乐都喜欢。
Repeat these five steps, as in the last exercise.
照前面的练习一样，重复这五个步骤。
In informal English like is frequently used as a conjunction or an adverb instead of as .like的这类用法很常见，但在规范的书面英语中并不认为正确。
Nobody understands him like I do.
谁都不像我那么了解他。
I don’t want to upset him again like before.
我不愿意再像过去那样使他扫兴。
It looks like we’re going to be late.
看来我们要迟到了。
You will find more help on the use of as and like in the entries for particular verbs, such as act , behave , etc.关于as和like的其他用法，参见act、behave等动词词条。
as
CONJUNCTION AND PREPOSITION USES 连词和介词用法
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1
CONJ-SUBORD （表示两件事情同时发生）当…的时候，在…的同时
If something happens as something else happens, it happens at the same time.Another policeman has been injured as fighting continued this morning...
今早又有一名警员在冲突中受伤。
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2
PHR-CONJ-COORD 像…一样
You use the structure as...as when you are comparing things.I never went through a final exam that was as difficult as that one...
我从来没有碰到过像那次那么难的期末考试。
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3
PHR-CONJ-COORD （强调数量）多达，只有
You use as...as to emphasize amounts of something.You can look forward to a significant cash return by saving from as little as £10 a month...
只要每个月存下区区10英镑，你就有希望得到相当可观的现金收益。
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4
PREP 作为；当作
You use as when you are indicating what someone or something is or is thought to be, or what function they have.He has worked as a diplomat in the US, Sudan and Saudi Arabia...
他曾任驻美国、苏丹和沙特阿拉伯的外交官。
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5
PREP 还是…的时候
If you do something as a child or as a teenager, for example, you do it when you are a child or a teenager.She loved singing as a child and started vocal training at 12.
她从小就喜欢唱歌，12岁开始了声乐训练。
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6
CONJ-SUBORD 同样地；一样地；像…一样
You use as to say how something happens or is done, or to indicate that something happens or is done in the same way as something else.I'll behave toward them as I would like to be treated...
我会以希望别人对待我的方式来对待他们。
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7
PREP 因为;作为（结果）
You use as in expressions like as a result and as a consequence to indicate how two situations or events are related to each other.As a result of the growing fears about home security, more people are arranging for someone to stay in their home when they're away...
因为越来越担心住宅安全，更多的人在出门的时候会在家中留人。
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8
CONJ-SUBORD （引导短从句）正如，就像
You use as to introduce short clauses which comment on the truth of what you are saying.As you can see, we're still working...
如你所见，我们仍在工作。
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9
CONJ-SUBORD 因为；由于
You can use as to mean 'because' when you are explaining the reason for something.They are regularly sent booklets about personal safety, but they barely read them as they have so much paperwork to deal with...
他们经常会收到关于人身安全问题的宣传册，但因为大量文案工作缠身，他们几乎无暇阅读。
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10
as, because, since 和 for 都可以表示“因为”。because 最常用，往往用来回答以why开头的疑问句。as 和 since 尤用于书面语中，可以代替 because 引导原因从句。如：a note about The National Portrait Gallery, as the word ‘Gallery’can be misleading（对 The National Portrait Gallery 的注释，因为 Gallery 一词易产生歧义），Since the juice is quite strong, you should always dilute it（这果汁很浓，你应该把它冲淡一些）。在讲故事时，for 用来解释或证明某事。如：He seemed to be in need of company, for suddenly he went back into the house （他看上去需要有个伴，因为他突然又回到屋里去了）。注意，because是连词，用于连接一个句子中的两个部分，如：I'm unsocial, because of my deafness （由于失聪，我不喜欢社交）。
Y -
11
PHRASE 可以说;在某种程度上
You say as it were in order to make what you are saying sound less definite.I'd understood the words, but I didn't, as it were, understand the question.
字面的意思我懂了，但是可以说我并不能理解这个问题。
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12
PHRASE 事实上，实际上（表示实际情况和可能情况的对比）
You use expressions such as as it is ,as it turns out, and as things stand when you are making a contrast between a possible situation and what actually happened or is the case.I want to work at home on a Tuesday but as it turns out sometimes it's a Wednesday or a Thursday.
我想周二在家工作，但实际上有时却是周三或是周四。
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13
as against→ see:against
USED WITH OTHER PREPOSITIONS AND CONJUNCTIONS 与其他介词或连词连用
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1
PREP-PHRASE 至于…
You use as for and as to at the beginning of a sentence in order to introduce a slightly different subject that is still connected to the previous one.I feel that there's a lot of pressure put on policemen. And as for putting guns in their hands, I don't think that's a very good idea at all.
我觉得给警员的压力太大了。至于让他们佩枪，我并不认为是一个明智之举。
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2
PREP-PHRASE 关于…
You use as to to indicate what something refers to.They should make decisions as to whether the student needs more help...
他们应该决定学生是否需要更多的帮助。
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3
PREP-PHRASE 在…时；从…起；自…始
If you say that something will happen as of, or in British English as from, a particular date or time, you mean that it will happen from that time on.The border, effectively closed since 1981, will be opened as of January the 1st...
实质上从1981年就已关闭的边境将于1月1日开放。
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4
PHR-CONJ-SUBORD 好像；仿佛
You use as if and as though when you are giving a possible explanation for something or saying that something appears to be the case when it is not.Anne shrugged, as if she didn't know...
安妮耸了耸肩，好像她并不知晓。
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After he left I just tried to carry on as normal .
他离开后，我只管尽力像往常一样继续干。
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Food prices are no longer inflating at the same rate as last year .
食物价格的上涨率已不再像去年那样高了。
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I 'd like one the same as yours .
我要一个和你一样的。
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I think the same as you do about this .
在这件事上，我的想法和你一样。
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At one stage it looked as though they would win .
有一段时间，他们好像大有获胜的希望。
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We will get your order to you as soon as possible .
我们将会把您的订货尽早送达。
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Lack of money is the main problem , as I see it .
依我看，主要问题是缺钱。
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Can we take it as read that you want the job ?
我们能不能认为你想要这份工作？
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The band made their first record as far back as 1990 .
这个乐队早在1990年就录制了他们的第一张唱片。
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The mind needs exercise as well as the body .
大脑同身体一样需要锻炼。
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What is she like as a person ?
她的人品怎么样？
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I used to play here as a boy .
我小时候常在这里玩。
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It 's known as the most dangerous part of the city .
人们都认为那是市内最危险的地段。
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As soon as I get my money I 'm out of here !
我一拿到钱就走！
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Students will normally take four or five AS subjects .
学生通常要选四门或五门高级证书辅助考试学科。
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She first made her name as a writer of children 's books .
她最初是以儿童读物作家成名的。
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This design came to be known as the Oriental style .
这种设计后来被称为东方风格。
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We try to make these training courses as realistic as possible .
我们努力使这些训练课程尽可能地贴近实际情况。
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Children must do as they 're told .
孩子们必须听话。
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The cost is about half as much again as it was two years ago .
现在的价格比两年前提高约一半。
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As a matter of interest , what time did the party finish ?
我想知道，晚会是什么时间结束的？
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They accept the risks as part of the job .
他们甘冒风险，把这当成工作的一部分。
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Nuclear energy may overtake oil as the main fuel .
核能可能会超过石油成为主要燃料。
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As soon as the opportunity presented itself , she would get another job .
一有机会，她就会另谋新职。
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I was always hard up as a student .
我当学生时总是很拮据。
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She felt as though she was on the threshold of a new life .
她觉得好像就要开始新生活了。
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I really value him as a friend .
我真的把他视为好朋友。
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The company is being actively considered as a potential partner .
这家公司正在被积极考虑为可能的合作伙伴。
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As things stand at present , he seems certain to win .
据目前情况看，他似乎胜券在握。
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She travels around the world as if money is no object .
她漫游世界，好像钱不是问题。
通常置于句首并用于正式场合，不能像 though 那样用于省略句或引出倒装语序的让步状语从句。
Although it was dark, he still worked in the field.
天黑了，他依然在田里劳作。
We bought the car although it was old.
虽然这辆车是旧的,我们还是买了下来。
作此义解时，只用于倒装语序结构中，语气强于 although 和 though。
Hard as he works, he can't support his family.
他工作努力，可还是无法养活一家人。
Pretty as she is, no one likes her.
她很美丽，但没人喜欢她。
在文体上不如 although 正式，常用于省略句，或引出倒装语序的让步状语从句。
Though (he is) living alone, he is very happy.
他虽然一个人生活，但很愉快。
Though (he is) certainly not a lady-killer, he is still very attractive.
他虽然还不至于让女人一见倾心，却很有魅力。
Strange though it may sound, I was pleased it was over.
尽管听起来也许很奇怪，但我很高兴这都结束了。
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。
所引导的状语从句中，谓语可以是延续性动词，也可以是瞬时动词，其动作既可以和主句的动作同时发生，也可以在主句的动作之前或之后发生。
He got engaged to Lucy when travelling last autumn.
去年秋天旅行时，他与露西订了婚。
It was raining when we arrived.
我们到的时候正在下雨。
Turn off the switch when anything goes wrong with the device.
如果装置出故障，就把开关关掉。
引导状语从句时，侧重指从句中的动作与主句中的动作同时发生或同时进行，一般持续时间不长，其谓语可以是延续性动词，也可以是瞬时动词。
She was coming in as he was going out.
她进来的时候，他正要出去。
I caught a whiff of perfume as she swept past me.
她从我身边走过时，我闻到一股香水味。
Joe jumped onto the bus just as it was pulling away.
正当公共汽车开动时，乔跳上了车。
指在某事发生之际或发生的过程中，另一事又发生。所引导的状语从句中，谓语应为延续性动词，而不用瞬时动词，强调其动作与主句中的动作同时发生，但持续时间一般较长；有时也可指主句的动作在从句的动作过程中发生。
Don't interrupt him while he is thinking.
他在思考时别去打搅他。
She got married while working as a waitress.
她在饭店当服务生期间结婚了。
Pat killed time by watching TV while waiting for her.
帕特在等她时边看电视边打发时间。
- 词语搭配
- 习语