be civil to 对…有礼貌，对…谦恭

be clear about 对…明白，对…明确

clear off (云雾等)消散

keep clear of 不接触;避开

around the clock 昼夜不断地，全天地

close down 停止播送;控制

close in 包围;(昼,夜)逐渐变短

close one's ears to 掩耳不听

close over 淹没;封盖;遮蔽

close up (伤口)愈合;停业

close with 靠近，逼近;接受

combine with 使结合;使联合起来

come after 跟在…后面;跟踪

come alive 活跃起来;觉悟起来

come between 在…中间;离间

come down on 申斥;惩罚;袭击

come in for 接受(份儿、遗产等)

come out with 发表，提出;公布

come over 过来;从远方来

come to one's mind 忽然想起

come under 编入，归入(某一项目)

when it comes to 一谈到;就…而论

be comparable to 比得上…

be comparable with 与…可比较的

compare with 与…相比较

complain of 抱怨;诉苦;抗议

be composed of 由…组成身份证查询六级成绩

connect with 连接;相通，衔接

be considerate of 体谅…，替…着想