to the same degree or amount
during the time when;while
in the way in which
"they were equally beautiful"
"birds were singing and the child sang as sweetly"
"sang as sweetly as a nightingale"
"he is every bit as mean as she is"
He was as covetous as cruel.
出自： W. Wotton
Chance has..thrown me very often in her way, and she as often has directed a discourse to me.
I'd as lieve let it alone.
出自： R. B. Sheridan
He used it, as far as he dared.
出自： Ld Macaulay
〔说明〕 as if〔though〕引导的方式状语从句中的谓语动词多用虚拟语气，指现在的情况时用一般过去时，指过去的情况时用过去完成时。从句中的谓语动词偶尔也可用陈述语气，这时表示的内容可能是真实的，也可能是不真实的。
He likes to talk big as if he was an important person.
He talks as though he knew all about it.
He continued with his reading as if nothing important had happened.
He walks as if he is drunk.
She treats me as though I am/were stranger.
The house was lit up as though a big celebration was going on.
Eagles were flying up and up as if to ride the white clouds.
The girl listened as though turned to stone.
〔说明〕 as if〔though〕引导的表语从句中谓语动词可用虚拟语气，也可用陈述语气，完全依说话人对从句内容真实性的判断。在it looks,it seems等结构之后常用陈述语气。
She looks as if she were ill.
She looks as if she had been ill.
He looks as though he would not hurt a fly.
He felt as if he had lost his power of judgement.
It seems as though it was spring already.
It looks as though it may blow up a gale tonight.
It sounds as though there is a knock at the door.
〔说明〕 as if〔though〕引导无定形句可以表示惊讶、不信任、愤懑等强烈感情，意思是“好像…似的”“倒是…似的”。
As if I cared!
As if anyone would believe that story.
As regards the contract, the second paragraph must be changed.
You needn't worry as regards the cost of the operation.
As regards money,I have enough.
As is announced in today's papers, all the schools will reopen on 1 September.
As it is announced in today's papers, all the schools will reopen on 1 September.
I haven't got as much money as I thought.
I ate as much as I could.
You ought to rest as much as possible.
He is as old as she (is).
He is not so old as she (is).
He isn't quite so old as she (is).
You need not go with me, as you are busy.
I cannot go with you, as I am busy.
As you like music, so I like poetry.
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.
Here is so big a stone as no man can lift.
Count the children as they will enter the room.
Write so carefully as to make every sentence clear.
The shopping center will be open to the public as from 6 May, 2001.
He is a Chinese, but he has foreign friends as well as Chinese friends.
I read French, German, as well as English.
He advised me as well as answering my question.
误 She was kind as like as her mother.
正 She was as kind as her mother.
正 She was kind like her mother.
误 This piano is equally as good as that one.
正 This piano is as good as that one.
正 These two pianos are equally good.
误 You must get out of this place as immediately as possible.
正 You must get out of this place as soon as possible.
析 as...as possible结构中的形容词或副词应是可比较的，immediately没有比较级和最高级形式，故不可用于这个结构中。