as

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柯林斯词典

CONJUNCTION AND PREPOSITION USES

as /əz, æz/

1. CONJ If something happens as something else happens, it happens at the same time. 在 (某事发生的) 同时
Another policeman has been injured as fighting continued this morning. 又一名警察在今天上午打斗继续过程中受了伤。
All the jury's eyes were on him as he continued. 所有陪审员的目光在他继续下去时都集中在了他身上。
2. CONJ 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. 像 (做某事、某事发生) 一样
I'll behave toward them as I would like to be treated. 我希望别人怎样对待我，我就会怎样对待他们。
Today, as usual, he was wearing a three-piece suit. 今天他像往常一样穿着一套三件套西装。
3. CONJ You use as to introduce short clauses that comment on the truth of what you are saying. 如… (用于引导评注性短从句)
As you can see, we're still working. 如你看到的，我们仍在工作。
4. CONJ You can use as to mean "because" when you are explaining the reason for something. 由于
Enjoy the first hour of the day. This is important as it sets the mood for the rest of the day. 享受一天中的第一个小时。这很重要，因为这第一个小时决定当天其余时间的情绪。
5. PHRASE You use the structure as...as when you are comparing things. 像…一样
I never went through a final exam that was as difficult as that one. 我从未经历过像那次一样难的期末考试。
6. PHRASE As is also a conjunction. 像 …一样
Being a mother isn't as bad as I thought at first!
做一位母亲并不像我当初想的那样糟！
7. PHRASE You use as...as to emphasize amounts of something. (数量)多达[强调]
She gets as many as eight thousand letters a month. 她每月收到多达8千封信。
8. PHRASE You say as it were in order to make what you are saying sound less definite. 好像是[含糊]
I'd understood the words, but I didn't, as it were, understand the question. 我已经理解了这些词，但我似乎还不理解这个问题。
9. PHRASE 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. 事实是; 结果是; 情况是
I want to work at home on a Tuesday but as it turns out sometimes it's a Wednesday or a Thursday. 我想在星期二在家里工作，但结果是有时是在星期三或星期四。
10. PREP You use as when you are indicating what someone or something is or is thought to be, or what function they have. 作为
He has worked as a diplomat in the U.S., Sudan and Saudi Arabia. 他曾做过驻美国、苏丹和沙特阿拉伯的外交官。
The news apparently came as a complete surprise. 这消息显然是个彻头彻尾的意外。
11. PREP If you do something as a child or as a teenager, for example, you do it when you are a child or a teenager. 还是 (小孩) 时
She loved singing as a child and started vocal training at 12. 她还是个小孩的时候就爱唱歌，12岁就开始了声乐训练。
12. PREP 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. 作为 (结果等)
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. 由于日益增长的对家庭安全的担心，更多人在外出时会安排个人呆在他们家里。
13. as ever→see ever
14. as a matter of fact→see fact
15. as follows→see follow
16. as long as→see long
17. as opposed to→see opposed
18. as regards→see regard
19. as soon as→see soon
20. as such→see such
21. as well→see well
22. as well as→see well
23. as yet→see yet

USED WITH OTHER PREPOSITIONS AND CONJUNCTIONS

as /æs, æz/

PREP
1. PHRASE 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. 至于
I don't know why the guy yelled at me. And as for going back there, certainly I would never go back, for fear of receiving further abuse. 我不知道为什么这个家伙冲我吼叫。至于回到那儿去，我肯定永远也不会回去了，生怕遭到更多的虐待。
2. PHRASE You use as to to indicate what something refers to. 就…
They should make decisions as to whether the student needs more help. 他们应该就该学生是否需要更多帮助作决定。
3. PHRASE If you say that something will happen as of a particular date or time, you mean that it will happen from that time on. 从 (某日、某时) 起
The border, effectively closed since 1981, will be opened as of January the 1st. 自1981年以来实际上关闭了的边境将从1月1日起开放。
4. PHRASE 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. 好像
Anne shrugged, as if she didn't know. 安妮耸了耸肩，好像她不知道。