偶然

by chance

accidentally

by accident

for a change 换换环境（花样）等

charge sb. with  ……控告某人犯有……

负责（某事）

in charge of

responsible for

in the charge of……     由……管

负责管理（照顾）

take charge of

to be/become responsible for

charge……for  因……索取（费用）

charge sb. with sth.  控告某人犯有……

昼夜不停地

round the clock

all day and all night

usually without stopping

comment on 评论

commit oneself to 使自己承担……

commit one's idea to writing  把某人想法写下来

commit sb. to prison  把某人送进监狱

commit a matter to committee 把某事交给委员会讨论

in common  （和……）有共同之处，共用

be common to sb. 是与某人所共有的

和……要好

keep company with

be friendly and go out together

compare……with……   把……与……比较

compare……to……  把……比作

by comparison  比较起来

和……比起来

in comparison with

in contrast to

补偿，赔偿，弥补

compensate for

give sth. to make up for

compensate sb. for sth.  赔偿，弥补

complain of/about 抱怨、诉苦、控告

complain about 抱怨某人或事情

complain to sb. about sb./sth. 向某人抱怨……

complain 抱怨

complement 补充

compliment 恭维

遵守，依从

comply with

act in accordance with a demand

order 

rule 

concentrate on/upon 集中，专心