calling at this early hour 一大早就打电话

Can you stop by? 你能来吗?

can't afford¹ 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

Capital² 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