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