16.on account of (=because of)由于,因为.
17.on no account (=in no case, for no reason)绝不要,无论如何不要(放句首时句子要倒装)
18.accuse…of…(=charge…with; blame sb. for sth.; blame sth. on sb.; complain about)指控,控告
19.be accustomed to (=be in the habit of, be used to)习惯于.
20.be acquainted with (=to have knowledge of)了解; (=to have met socially)熟悉
21.act on奉行,按照…行动; act as扮演; act for代理
22.adapt oneself to (=adjust oneself to)使自己适应于
23.adapt…(for) (=make sth. Suitable for a new need)改编,改写(以适应新的需要)
24.in addition (=besides)此外,又,加之
25.in addition to (=as well as, besides, other than)除…外
26.adhere to (=abide by, conform to, comply with, cling to, insist on, persist in, observe, opinion, belief)粘附;坚持,遵循
27.adjacent (=next to, close to)毗邻的,临近的
28.adjust..(to) (=change slightly)调节;适应;
29.admit of (=be capable of, leave room for) …的可能，留有…的余地.
30.in advance (before in time)预告,事先.
