1. at the thought of一想到…

2. as a whole (=in general) 就整体而论

3. at will 随心所欲

4. (be) abundant in(be rich in; be well supplied with) 富于，富有

5. access(to) (不可数名词) 能接近，进入，了解

6. by accident(=by chance, accidentally)偶然地，意外. Without accident(=safely) 安全地，

7. of one’s own accord(=without being asked; willingly; freely)自愿地 ,主动地

8. in accord with 与…一致 . out of one’s accord with 同…。不一致

9. with one accord (=with everybody agreeing)一致地

10. in accordance with (=in agreement with) 依照，根据

11. on one’s own account
1) 为了某人的缘故， 为了某人自己的利益
2) (=at one’s own risk) 自行负责
3) (=by oneself)依靠自己

12. take…into account(=consider)把..。考虑进去

13. give sb. an account of 说明， 解释 (理由)

14. account for (=give an explanation or reason for) 解释， 说明

15. on account of (=because of) 由于，因为

16. 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)

17. accuse…of…(=charge…with; blame sb. for sth. ; blame sth. on sb. ; complain about) 指控，控告

18. be accustomed to (=be in the habit of, be used to)习惯于

19. be acquainted with(=to have knowledge of) 了解; (=to have met socially) 熟悉

20. act on 奉行，按照…行动; act as 扮演; act for 代理