All(a.,pron.&n.)
all by oneself 独立，单独
above all 首先，特别是，最重要的是
after all 到底，毕竟
first of all 首先
in all 总共
most of all 最最
all at once 突然，同时，马上
all of a sudden 突然
all right 好吧，行，情况不错
all sorts of 各种各样的
all kinds of 各种各样的
all the best 万事如意
all the more 更加
all the same 尽管如此，仍旧（照样）
all the year round 一年到头
AS（conj.,adv.& pron.）
as…as…与……一样
as a matter of fact 事实上
as a rule 通常
as a result 结果
as a whole 总的来说
as if(as though) 好象
as follows 如下
as for 就。。。。。。而言
as(so) long as 只要
as soon as 一。。。。。。就
as soon as possible 尽快
as usual 像往常一样
as well 也，还
as well as 同……一样
might(may) as well 不妨
so as to 以便
At(prep.)
at a time 一次，每次
at breakfast 早餐时，正在吃早饭
at first 最初
at home 在家
at last最后，终于
at least 至少
at (the) most至多，不超过
at one time 以前，曾经
at once 立刻，马上
at night 在夜里，在晚上
at midnight 在半夜
at present 目前，现在
at times有时候
at sea在大海上，在航行
at one’s own expense 自费
at the bottom 在底端
at the end (of) 最后，尽头
at the latest 最迟
at the mercy of 在……的支配下
at the head of 在……的前头
at the moment 此刻
at the same time 同时
at work 在工作
laugh at 嘲笑
throw at向……扔去
work hard at 努力工作（学习）