1. by chance(=accidentally, by accident)偶然
2. for a change换换环境(花样等)
3. charge sb. with…控告某人犯有…
4. in charge of (=responsible for)负责(某事) in the charge of…由…管
5. take charge of (=to be or become responsible for)负责管理(照顾)
6. charge…for因…索取(费用) , charge sb. with sth.控告某人犯有…
7. round the clock(=all day and all night, usually without stopping)昼夜不停地
8. comment on评论
9. 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
10. in common (和…)有共同之处,共用。 be common to sb.是与某人所共有的
[b]