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