a bit (of)
有一点, 一会儿

a few
一些, 少量

a great deal
大量, 许多

a good/great many
大量, 许多

a kind of
一种, 一类

a little
一点, 少许

a number of
一些, 许多

a pair of
一双, 一副

a piece of
一块(张, 根, 片)

above all
首先, 首要

according to
根据, 按照

add up to
合计达……

after all
毕竟, 终究

after class
课后

again and again
反复地, 再三地

agree to do sth.
同意做某事

agree with sb.
同意某人的看法, 与某人看法一致

ahead of
在……之前

all in all
总的来说, 总计

all kinds of
各种各样的

all over
到处, 遍及, 结束

all right
行,好吧, （病）好了

all the best
一切顺利, 万事如意

answer for
对……负责

apart from
除去, 除了

arrive at (in) a place
到达某地

as a matter of fact
事实上, 其实

as a result
（作为）结果

as…as
像, 如同

as soon as
一……就……

as far as
（表示程度, 范围）就……；尽……

as if
好像, 仿佛

as long as
只要

as though
好像, 仿佛

as usual
通常, 平常地

as well
也, 还有

as well as
除……之外（也）