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英汉词典

as

英式:[əz]
美式:[əz]

adv.同样地;例如;被认为

prep.作为;如同

conj.因为;像;当 ... 之时;像 ... 一样;结果;尽管

n.阿斯(古罗马重量单位,约373克;古罗马铜币名)

用作副词 (adv.)

The ground was as white as snow with petals that had drifted down from the apple trees. 满地是苹果树上飘落下来的花瓣,地上一片雪白。

Many things pollute water, such as tires, trash, and plastic bags. 很多东西使水污染,例如轮胎、垃圾和塑胶袋。

This cathedral was regarded as a miracle in architectural history. 这座大教堂被认为是建筑史上的奇迹。

用作介词 (prep.)

As a cub reporter he would learn the facts of life in the newspaper world. 作为一名初出茅庐的记者,他要了解报界生涯的内幕。

用作连词 (conj.)

As the wage of the job was low, there were few applicants for it. 因为工资低,没有什么人申请这份工作。

Despite the threat of war, people go about their work as usual. 尽管战争一触即发,人们仍像平时一样工作。

A sudden chill of horror sweep over her as she feel the drip of saliva upon her hand. 当她感觉到滴到她双手上的唾液时,恐怖的寒栗突然遍布了她全身。

Gambling is not the same as investment in the stock market. It's a horse of a different colour. 赌博与把资金投入股市并不一样,它完全是另外一码事。 

He did not follow our advice so as to be arrested by the police. 他不听我们的劝告,结果被逮捕。

As difficult as it seems to be,the problem is by no means a new one. 尽管看起来很难,这个问题却并非新问题。

as 常做关系代词,如such children as love their books中的as是love的主语。such books as are loved by children中的as是are loved的主语,所以要分析清楚句子结构,不可以随便删除谓语动词,如上句中的are。当as指代主句所讲述的内容时,也做关系代词。值得注意的是,as在作关系代词时,极易被误认为是连接词而加用it。 As is announced in today's papers, all the schools will reopen on 1 September.句中的as指学校将在9月1日重开这件事。 As it is announced in today's papers, all the schools will reopen on 1 September.句中的it是多余的,不该加。

as much/many ...中as用来谈论数量。另外as much/many可作为代词,后不接名词。同时,as much ...可作为副词。 I haven't got as much money as I thought.我带的钱没有我自己想象的那么多。 I ate as much as I could.我尽可能得多吃。 You ought to rest as much as possible.你应该尽可能多地休息。

as ... as ...指“两个人或物在某方面一样”,既可以用在肯定句里,也可以用在否定句中,而so ... as ...只能用在否定句里。“as ... as ...”有时含有第二个as后的主语有着高程度的那形容词(或副词)所指的特点,如上述例句中有暗指“她很老”。用isn't,wasn't,don't和can't等时,多习惯与as搭配,而不是so,如He isn't as old as she (is)比He isn't so old as she (is)更为普遍。若是句中的形容词或副词前用了 quite这个词时,就习惯不用as,用so。 He is as old as she (is).He is not as old as she (is).He is not so old as she (is). He isn't quite so old as she (is).

as在表示“原因”时,语气要轻于because。一般来说,as引导的从句会在主句前。as引导的从句也可以在主句后,不过必须要确认从句的内容要是对方知道的。注意在表示原因时,不可以把as和so连用,两者只能存在一个。 不过as ... so ...的表达方式是可以的,但指“正像……,……”。 You need not go with me, as you are busy.可以说,因对方知道自己忙。 I cannot go with you, as I am busy.应该避免使用,应对方不一定知道我很忙。 As you like music, so I like poetry.正像你喜欢音乐一样,我喜欢诗歌。

as还可指“虽然”,如beautiful as she,(虽然她很漂亮)和child as he is(虽然他很孩子气)。这样用时,要注意格式上形容词或名词在as前以及名词前没有a或an;

as也可加副词或动词。 Much as I should like to see you, I am afraid you may find it inconvenient to come in this hot weather.Search as they would, they could find nobody in the house.

要注意区分so ... as和so ... that,such ... as和such ... that,彼此之间不可以互相替换。 Here is so big a stone as no man can lift. Here is so big a stone that no man can lift it.Here is such a big stone as no man can lift.

as指“当…的时候”时,引导的从句中的动词不能以将来时呈现。 Count the children as they will enter the room.句中的will应该删掉。

so ... as to ...(不定式)同…enough to ...(不定式)表达的意思相同。 Write so carefully as to make every sentence clear. Write carefully enough to make every sentence clear.注意这两个结构是固定的搭配。

as from指“从某日开始”,常用在法律,契约,公告的文件中。 The shopping center will be open to the public as from 6 May, 2001.As from 6 May,2001 the shopping center has been open to the public.商场会从2001年5月6日起重新开业。

as well as指“(除……之外)也,又”,要注意它同and和not only ... but (also)...是有区别的。A as well as B = not only B but also A,指“不单B,而且A”,注意是B在前,A在后。不可以用A,B,as well as C.通常来说,as well as作连接词,不是介词。结构“both ... as well as ...”是错误的,避免使用。常有人用“not only ... but ...as well”的结构,同“not only ... but also …”或“not only ... but ...”表达的意思相似,但是没有后者使用普遍。 He is a Chinese, but he has foreign friends as well as Chinese friends.He is a Chinese, but he has Chinese friends as well as foreign friends.第一句是正确的表达,第二句是错误的。 I read French, German, as well as English.这个句子是不可以的,应用and来连接。 He advised me as well as answering my question.句中把as认作是介词,接了动名词answering,实际上是错误的,应改为answered。

adv.(副词)

as用作副词时主要用来表示比较,意思是“像…一样;如同”。可以单独使用,但更多的是用在as...as结构中,其中第一个as是副词,其后可接形容词或副词,也可接其他成分,as前可有状语。第二个as可以是介词,也可以是连词。as用作副词时还可以指事物以同样的方式发生,意思是“和…一样”。

as...as结构多用于肯定式,偶尔也可用于否定式。表示同样意思的否定式多用so...as。as...as结构用于否定句时多用于口语,侧重“像…一样”;so...as结构则多用于书面语,侧重“像…那样”。

as...as结构表示的是同级比较,第一个as后的形容词或副词不可用比较级,必须用原级,比较的对象亦须属同类。

as...as结构表示数量或程度时,可用于“as much+(不可数名词+) as”或“as many+(可数名词复数+) as”结构。

修饰as...as结构的常见词语有nearly,almost,just,exactly,half,quite,表示倍数或次数的形容词,“数词+times”等。这些修饰语都放在as...as结构之前。

使用as...as结构时,若第一个as后的名词是单数可数名词并有形容词修饰,则应使用“as+ adj.+ a/an+ n. ”结构,即不定冠词应位于形容词和名词之间。第二个as后面的名词或代词的格不同,意思也不同。

as...as结构中后一个as用作连词时引导的从句常为省略句,省略从句中的动词可使主句的意义得到加强;反之,重复从句中的动词则可使从句的意义得到强调。

使用as...as结构时,在一定的上下文中可以省去其中的一个。

as用作副词时不用于比较等级。

prep.(介词)

as作“以…的身份,以…资格,作为,以…角色”解时常与动词act,employ,function,serve,speak,work或形容词eminent,distinguished,famous,known,recognized,renowned等连用。

as比较常用于as...as和the same...as两个句型。

conj.(连词)

as用作连词时,可以用来表示时间,译为“正当…的时候;随着…;边…边…”,引导时间状语从句。主句可以是主动句,也可以是被动句。当两个主语的动作是同时发生的时候,主句和从句的谓语动词都可以用进行时态或一般式,无论动作长短;当两件事发生的时间间隔很短,甚至没有时间间隔时,主句和从句均用一般过去时;当主句的动作发生在从句的动作发生的过程中的时候,主句和从句可以都用一般过去时,也可以在从句中用进行时态。当表示两个动作的完成时间恰好一致时,as连接的主、从句也都可用过去完成时。

as还可表示原因,作“因为,既然”解,引导原因状语从句,表示不说自明的原因或理由,语气较轻,是附带提及,不加强调。as引导的从句可放在主句之前(表示原因不明显),也可放在主句之后(表示原因明显)。

as可表示让步,作“尽管”解,引导让步状语从句。当主句的谓语动词是be或其他系词的限定形式时,常用于“名词〔形容词,过去分词〕+as+主语+be〔其他系词〕”的限定形式(名词位于句首时一律不用冠词);当主句的谓语动词是行为动词时,常用“副词+as+主语+行为动词(+其他附加成分)”的形式。有时也把动词放在从句句首,尤其是有may,might,will,would等情态动词时。注意当主语是名词时常用倒装语序,主语是代词时则不用倒装语序,主语位于谓语之前。

as可以引导一个比较关系的状语从句,意思是“像…一样”;为了加强比较的意味,主句中常加副词as(用于肯定句)或so(用于否定句)。此时as可用于“as...as...can〔could〕 be”结构,用来强调形容词的含义,一般可译为“到了…的程度”“极其”。

as可以引导方式状语从句,意思是“依照,按照”。

as引导比较或方式状语从句时,从句一般采用正常语序,但在正式语体里,也采用倒装语序,但不是强制性的。

as还可用于插入语,可置于句首、句中或句末,并常有逗号与句子的其他成分分开。

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