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,

　　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 account1)为了某人的缘故， 为了某人自己的利益2) (=at one’sownrisk)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;actfor代理