be able to 能，会

abound in 盛产，富于，充满

be about to 即将(做)

above all 首先，首要，尤其是

be absorbed in 专心致力于…

be abundant in …富于，…丰富

by accident 偶然

in accordance with 与…一致;按照，根据

according as 根据…而…

according to 根据…所说;按照

account for 说明(原因等);解释

on account of 因为，由于忘记准考证号怎么查六级成绩

on no account 决不

take into account 考虑;重视

accuse sb. of sth. 控告(某人某事)

be accustomed to 习惯于

be acquainted with 开始认识;开始了解

act for 代理

act on 按照…而行动

act out 演出

bring into action 使行动起来

put out of action 使失去效用

take action 采取行动;提出诉讼

adapt to 适应

add up 加算，合计

add up to 合计达，总计是

in addition 另外

in addition to 除…之外(还有)

be adequate for 适合

adhere to 粘附在…上;坚持

admire to do sth. (美口)很想做某事

admit of 容许有，有…余地

admit to 承认

be on the advance (物价)在上涨中

in advance 在前面;预先

in advance of 在…的前面;超过

take advantage of 趁…之机，利用

advertise for 登广告征求(寻找)某物

affect to 假装

afford to (买)得起(某物)

for ages 长期

agree on 同意，赞成

agree to 同意，商定

agree with 同意，与…取得一致

ahead of 在…前面，先于;胜过

get ahead 进步，获得成功

go ahead 前进;干吧

aim for 力争…，针对

by air 通过航空途径

in the air 在空中;未定

be alike to 与…相同，与…相似

after all 毕竟，终究;虽然这样

all along 始终，一直，一贯

all but 几乎，差一点