1. a bit (of) 有一点儿2. a few 一些；少量；几个3.a little一些；少量4.a group of 一群5. a kind of 一种; 一类6. a lot of (lots of)a number of 许多7. a number of 一些；许多8. a pair of 一双; 一副9.a piece of 一(块,张,片,件)10. according to 按照;根据11.after class 课后12. after all 终究, 毕竟13. agree with sb./ to+V. 同意某人的意见某事14. again and again 反复地；再三地15. all over 到处；遍及；结束16. all right 行了;好吧;(病)好了17. all the best 一切顺利18. all the time 一直19. all the same 还是, 仍然20. and so on 等等21. apologize to sb. for
