22. for certain of肯定地,有把握地
23. by chance偶然
24. for a change换换环境(花样等)
25. charge sb. with …控告某人犯有…
26. in charge of负责(某事)in the charge of …由…管
27. take charge of负责管理(照顾)
28. charge…for 因…索取(费用) , charge sb. with sth. 控告某人犯有…
29. round the clock昼夜不停地
30. comment on 评论
31. commit oneself to 使自己承担… commit sb. to prison把某人送进监狱; commit one’s idea to writing 把某人的想法写下来; commit a matter to a committee把某事交给委员会讨论
32. in common (和…)有共同之处,共用.be common to sb. 与某人所共有的
33. keep company with和…要好。
34. compare…with … 把…与…比较
35. compare…to… 把…比作…
36. by comparison 比较起来
37. in comparison with (=in contrast to) 和…比起来