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 11. keep company with (=be friendly and go out together) 和…要好. 12. compare…with … 把…与…比较 13. compare…to… 把…比作… 14. by comparison 比较起来 15. in comparison with (=in contrast to) 和…比起来 16. compensate for (=give sth. to make up for) 补偿, 赔偿,弥补 compensate sb. for sth. 赔偿,弥补 17. complain of (or about)抱怨.诉苦.控告.complain about 抱怨某人或事情. complain to sb. about sth. (or sb.) 向某人抱怨…. complain (抱怨). complement (补充). compliment (恭维) 18. comply with (=act in accordance with a demand, order, rule etc.) 遵守, 依从 19. conceive of (think of, imagine, consider) 想象,设想 20. concentrate on (or upon) 集中,专心