清风如你：as的多种词性与用法辨析

The secret to happiness is this: Let your interest be as wide as possible, and let your reactions to the things and persons that interest you be as far as possible friendly rather than hostile.

                                                                                     ——The Conquest of Happiness

幸福的秘诀是：尽量扩大你的兴趣范围，对感兴趣的人和物尽可能友善。

                                                                                          ——罗素《幸福之路》

一、你知道as有几种含义吗？

adv.

1.同样地；和…一样地

He runs as fast as Paul.

他跑得和保罗一样快。

2.例如

These poems were written by poets as by keats and shelly.

这些诗篇是诗人例如济慈和雪莱写的。

conj.

1.当…时；在…的同时

I was coming in as he was going out.

我进来的时候，他正出去。

2.因为，由于

As this question is of great interest, we will discuss it once again.

因为这个问题很有意义，所以我们决定再讨论一次。

3.如同，像…一样

Things were almost as they had been before.

事情还如同以前一样。

4.尽管，虽然

Intelligent as you are, I suspect you will fail.

尽管你聪明，我还是猜想你会失败。

5.随着

The search intensified as dusk approached.

随着黄昏将至，搜寻加强了。

prep.

1.如同

He does this job as a skilled labour.

他做起这个活如同个熟手。

2.当作，作为，以…的身份

He worked as a cashier in a bank.

他在一家银行干过出纳。

二、词义辨析：类似具有“虽然”意思的词有：

though, although, as

这些连词均可表示“虽然，尽管”之意。though和although在意义上几乎毫无区别，但文体上后者是较正式用词，语气比though强。

此外，在习惯用法上这两个词仍有以下一些差异：

1.though可引出倒装语序的让步状语从句，although 则不能。

2.though可与even连用，although则不能；在as though结构中，只用though，不能用although。

3.though可以置于从句末，而although则不能。

4.引出省略句时，通常用though。as引出让步状语从句只用于倒装语序结构中，语气强于上述两个连词。

三、含有as的常见短语：

as a matter of fact

ad. 事实上，其实

as far as possible

尽可能…

as follows

adv.如下

as it is

事实上,实际上,既然如此,像现在这样