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
adv. 些微地,苗条地