1.Call a spade a spade.直言不讳；有话直说；说一是一，说二是二。
2.Cast not the first stone.不要丢第一块石头；欲谴责别人前，先扪心自问是否无罪。3.Catch as catch can.能拿多少算多少。
4.Catch one napping.乘人不备，捉其把柄。
5.Caveat emptor.顾客小心上当。
6.The chain is no stronger than its weakest link.整个链条的强韧与否，要看最弱的那一环。
7.Charity begins at home.仁爱先从家里开始；老吾老，以及人之老。
8.Christmas comes but once a year.圣诞节一年才一次；佳节难逢。
9.Civility costs nothing.礼貌不花分文。
10.Cleanliness is next to godliness.洁净仅次于敬神。
11.Clothes do not make the man.衣冠不能造人品。
12.Clothes make the man.人要衣装，佛要金装。
13.Constant dripping wears away the stone.滴水穿石；铁杵磨成针。
14.Courtesy costs nothing.礼多人不怪；礼貌不费分文。
15.Covetousness is the root of all evil.贪婪是万恶之源。
164.Cowards die many times before their deaths.胆怯者在真正死前已死过多次。
17.Creep before you walk.先学爬，再学走；按部就班。
18.Curiosity killed the cat.好奇伤身。

来源：英语角