as

as and when

at the time when (used to refer to an uncertain future event)

[用于指不确定的未来之事]当

They deal with an issue as and when it rears its head.

事到临头他们才会开始处理。

as for

with regard to

至于，关于

As for you, you'd better be quick.

至于你，你最好快点。

as from (或 of)

(chiefly Brit.)used to indicate the time or date from which something starts

(主 英)[用于指某事开始之时或开始的日期] 从

As from 1 January, a free market will be created.

从1月1号开始，一个自由市场将建成。

I'm on the dole as from now.

从现在开始我就要吃救济了。

as if (或 though)

as would be the case if

好像，似乎，仿佛

She behaved as if he wasn't there.

她的所作所为好像他根本不在场似的。

as if!

(informal)I very much doubt it

(非正式)我很怀疑！

You know how pools winners always say it won't change their lives? Yeah, as if.

你知道那些足球赛赌博的赢家们总是说赢了钱还是改变不了他们的生活吗？当然知道，可我才不信呢。

as (it) is

in the existing circumstances

在目前情况下，按现在情况来看

I've got enough on my plate as it is.

眼下我要做的事情已够多的了。

as long as

只要；和…一样长

As long as my heart still beats, I will go on working for the people.

只要我的心脏还在跳动，我就要为人民工作。

as much

同样地

I'm as much in the dark as you. 

我和你一样毫不知情。

as of

到…时候为止

As of this writing, no reply has been received. 

到写这封信时为止，尚未得到答复。

as per

按照；根据

I approached an Intourist official, as per instructions. 

我按照指示接洽了一位苏联国际旅行社官员。

as such

同样地；就其本身而论

How can there be things as such?

哪会有这种事？

as though

好像，仿佛

I thought it looked as though the battery was going. 

我看电池好像该换了。

as to

with respect to; concerning

关于；在…方面

This gave me a clue as to the source of the problem. 

这件事给我提供了找出问题根源的线索。

as well

也;还

He should pay and maintain you as well. 

他得给你钱，还得供养你。