as

as /æz, əz/ I. adv.同样地 (后接连接词as, 即as…as…“像…一样”): I’m as tall as you. 我和你一样高。(否定句中常以so代as: It’s not so difficult as I expected. 并不像我预想的那么困难。) ‖II.conj. 1.当…时候： I saw him as he got off the bus. 他下车时我看见他了。As a child (=As he was a child), he lived in India. 小时候他住在印度。 2.因为，既然：As he wasn’t ready in time, we went without him. 既然他未能及时做好准备，我们没等他就去了。3.尽管（引起倒装）：Young as I am (=Although I’m young), I know some of the family secret. 尽管我年龄小，我知道家庭的一些秘密。［考句］Much as he likes her, he does get annoyed with her sometimes.尽管他很喜欢她，但有时确实也烦她 4.如，像，按照：Study hard as Lenin did. 像列宁那样认真学习。［考句］Careful surveys have indicated that as many as 50 percent of patients do not take drugs as directed.仔细的调查表明，多达50%的病人未按规定服药。［考句］The atmosphere is as much a part of the earth as are its soils and the water of its lakes, rivers and oceans. 大气象土壤及湖泊、河流和海洋中的水一样是地球的一部分。［考句］The trumpet player was certainly loud. But I wasn’t bothered by his loudness so much as by his lack of talent.无疑这个号手演奏的声音太大，但是更让我不能容忍的是他的演奏水平低下。5. 以至于：He’s not so foolish as to do that. 他不至于愚蠢到干出那样的事来。‖III. prep.1.作为：He wants me to go with him as a secretary. 他要我作为秘书跟他去。2. 跟一些动词固定搭配，见treat, look on/upon, use, think of, regard, consider等)  IV. pron. 如(作关系代词，引出定语分句。此时as常与 such和the same 连用，也可单独引导定语分句): He is not such a fool as he looks. 他并不像看起来那么傻。You must show my wife the same respect as you show me. 你必须像尊敬我一样尊敬我的妻子。［考句］As is known to the world, Mark Twain is a great American writer.全世界都知道，马可吐温是一位伟大的美国作家。The British are not so familiar with different cultures and other ways of doing things, as is often the case in other countries. 英国人对与其不同的文化和行为方式不太熟悉，这种情况在其它国家也存在。as for/to 至于，关于：As to/for me, I sat on his left hand. 至于我，我坐在他的左手。as if/though 好像，似乎：I remember the whole thing as if it happened yesterday. 整个事情我都记得，就好像这事就发生在昨天。as it were也许可以这么说，在某种程度上：Areas which have been, as it were, pushed aside. 在某种程度上说已被搁置起来的领域。as/so long as 只要；既然，由于(cf. long条) ; as such 严格意义上说(cf. such条); may as well 还不如，不妨（见well条）

［辨析］见like