1. abandon oneself to sth. 完全屈从于(某种感情或冲动)

　　2. have a (the )ability to do sth. = have the ability in doing sth. 有能力做某事

　　3. to the best of one's ability 尽力

　　4. be about to do when… 正准备做某事突然......

　　5. above all 首先，最重要; in all 总计;after all 毕竟; 终究

　　6. at home and abroad 在国内外;go abroad 出国

　　7. in sb.'s absence = in the absence of 某人不在时; be absent from 缺席

　　8. be absorbed in 全神贯注于

　　9. access to 接近;进入

　　10. by accident= by chance 偶然 ; by mistake 错误地

　　11. be delayed through an accident 由于事故而耽误

　　12. be accompanied by 附有;伴随

　　13. according to 根据......(后面不接view,opinion…)

　　14. collect accounts 收账; open an account 开账户; keep accounts 记账 ; account for 说明; give a full account of 做一个完整的说明; on account of=because of 因为

　　15. accuse sb. of… 控告某人; charge sb. with sth. 起诉某人; blame sb. for sth. 责备某人

　　16. be accustomed to sth.( to doing sth.)=be used to sth.(doing sth.)习惯于做某事

　　17. have some acquaintance with 熟悉;熟知

　　18. come (run) across (偶然)碰到 ; get sth. across 使人理解;领会

　　19. act as充当，担任 ;act out 表演(对话、故事); act on(upon) 对......起作用

　　20 catch sb. in the act of doing sth. 抓住某人干某事; take action 采取行动

　　21 be active in 在......方面积极; take an active part in 积极参加;lead an active life 过着积极的生活

　　22. adapt oneself to 使自己适应...; adapt sth. to 使某物适应...; adapt from 根据...改写(改编)

　　23 add in 包括; 加进去;add to 增加，加强; add…to... 把...加到...上;add up to 合加起来

　　24 be addicted to sth.( doing sth. ) 嗜好...的;上了...瘾的

　　25 in addtion/ in addtion to 此外

　　26 deliver an address to 向...发表演讲; giving a closing address 致闭幕词;an address of welcome 欢迎词

　　27. admit to sth.( doing sth.) 承认

　　28. in advance=beforehand 提前

　　29. be of great (no ) advantage to 对...大大有利(毫无裨益); gain(have) an advantage over优于;胜过; take advantage of sb. 利用某人;欺骗某人

　　30. put an advertisement 登广告