calling at this early hour 一大早就打电话

Can you stop by? 你能来吗?

can't afford to have 买不起

can't be helped 避免不了

can't be wrong 错不了

can't get away with it 逃不掉

can't help it 爱莫能助

can't stand it any longer 再也无法忍受

Capital idea! 好主意！

carry coals to Newcastle 多此一举;徒劳无功

carry sth too far 做事超出限度

carry the torch 单相思

cast away 扔掉

cast down 沮丧

caste eyes at 注视;打主意

castle in the air 空中楼阁

catch on to 理解

catch one's breath 喘口气

catch up on sth 补上某事

catch up with 迎头赶上

caught red-handed, be 犯罪活动的当场被抓住

chain smoker 烟瘾大的人

change hands 转手

change my opinion of you 我对你的看法改变一下

cheap joints 下流地方

check out 办清离开手续;借书;调查