a few (表示肯定)有些，几个

a good deal (接不可数名词)许多，大量

a little (表示肯定)一些，一点点

a lot of 大量的，许多

a number of 若干，许多

a series of 一系列，一连串

according to 根据

account for 说明(原因等)

after all 毕竟，终究

ahead of 在……前面，先于

all but 几乎，差一点;除了……都

all of a sudden 忽然

all over 到处，遍及;全部结束

all right 令人满意的;(健康)良好的;好，行，可以

all the same 仍然，照样地

all the time 一直，始终

allow for 考虑到，顾及

and so on 等等

anything but 根本不

apart from 除……之外(别无);除……之外(尚有)

as……as… 像，如同，与……一样

as a matter of fact 事实上，其实

as a rule 通常，照例

as far as 远到;就……而言，至于

as follows 如下

as for/to 至于，关于

as/if though 好像，仿佛

as long as 只要，如果;既然，由于

as soon as 一……就，刚……便

as usual 照例，像平常一样

as well 也，又

as well as 除……之外(也)，既……又

aside from 除……以外(尚有)

ask for 请求，要求

at a loss 困惑不解，茫然不知所措

at all (用于否定句)丝毫(不)，一点(不)

at all costs 不惜任何代价，无论如何

at all events 不管怎样，无论如何

at any rate 无论如何，至少

at best 充其量，至多

at ease 舒适(地)，安逸(地)

at first 最初，起先

at hand 近在手头，在附近

at large 详尽地，普遍地;未被捕获的

at last 终于;最后

at least 至少

at most 至多，不超过

at no time 从不，决不

at once 马上，立刻;同时，一起

at present 目前，现在

at the cost/expense of 以……为代价

at the end 最终，最后

at the moment

= right away 此刻，现在

at the same time 同时;然而，不过

at the sight of 一看见……就