1. as for 至于,关于
2. as good as 和...几乎一样
3. as if 好像,防腐
4. as regards 关于,至于
5. as to 至于,关于
6. as usual 像平常一样,照例
7. as well as 除...外(也),即...又
8. as well 同样,也,还
9. ashamed of羞愧,害臊
10. aside from 除...外(还有)
11. ask for the moon异想天开
12. at a loss 茫然,不知所措
13. at a time 一次,每次
14. at all costs 不惜一切代价
15. at all events 不管怎样,无论如何
16. at all times 随时,总是
17. at all 丝毫(不),一点也不
18. at any rate 无论如何,至少
19. at best 充其量,至多
20. at first sight 乍一看,初看起来