1. abide by(=be faithful to ; obey)忠于；遵守。   
 　　2. be absent from….缺席，不在
　　3. absence or mind(=being absent-minded)心不在焉
　　4. absorb(=take up the attention of)吸引…的注意力(被动语态):be absorbed in全神贯注于…近:be engrossed in ; be lost in ; be rapt in ;be concentrated on ; be focused on ; be centered on
　　5. (be) abundant in(be rich in; be well supplied with)富于,富有
　　6. access(to) (不可数名词)能接近,进入,了解
　　7. by accident(=by chance, accidentally)偶然地,意外. Without accident(=safely)安全地,
　　8. of one’s own accord(=without being asked; willingly; freely)自愿地,主动地
　　9. in accord with与…一致. out of one’s accord with同….不一致
　　10. with one accord (=with everybody agreeing)一致地
　　11. in accordance with (=in agreement with)依照,根据
　　12. 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
　　on account赊账; on account of因为; on no account不论什么原因也不;of…account有…..重要性.
　　13. take…into account(=consider)把...考虑进去
　　14. give sb. an account of说明,解释(理由)
　　15. account for (=give an explanation or reason for)解释,说明.
　　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