每天为您的英语提升添砖加瓦,《英语罐头》已为您带来第126篇英语知识文章。有读者反馈在掌握"As"这个词的用法上遇到困扰,为此今日我们将深入探讨"As"的各种功能及其运用。
作为介词,"as"意为“作为”。值得注意的是,尽管有时可译作“像”,但它与"like"有所区分:"as"常指身份或角色,如:
Take it as a joke. (把这当作一个玩笑。)
I must tell you the truth as a mother. (身为母亲,我必须告诉你真相。)
相比之下,"like"强调的是事物间的相似性,如:
Your jacket is the same color as mine. (你的夹克颜色和我的很相近。)
2.As作连词
(1) 表示同步事件:
在与"when"对比时,二者虽然大多可互换使用,但细微差别在于:"when"强调时间顺序,而"as"强调事件同时发生:
They arrived as we were leaving. (我们正要离开时他们到了。)
When you get older, moving house gets harder. (随着年龄的增长,搬家变得更困难。)
As you get older, moving house gets harder. (当你变老时,你会发现搬家变得更困难了。)
(2) 表达因果关系:
当"As"引导原因状语从句时,它与"because"具有类似作用:
I went to bed at 9 pm as I had a plane to catch at 6 am. (由于早上六点要赶飞机,我在九点便早早睡下了。)
(3) 表示“正如...”之意:
She arrived early, as I expected. (她如我所料地早早到达了。)
as to/for —— 关于...,至于...
常用来引入新的话题:
As to where we'll get the money from, we'll discuss that later. (关于资金来源的问题,我们稍后再谈。)
as of/from —— 自...起
用于表示时间起点:
As of next month, all the airline's fares will be increasing. (从下个月开始,所有航空公司的票价都将上涨。)
as ... as —— 正如...一样
用于对比两个具有相同属性的事物:
The weather this summer is as bad as last year. (今年夏天的天气跟去年一样糟糕。)
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