1. Comparisons are odious. 人比人气死人。

2. Constant dripping wears away the stone. 滴水穿石。

3. Cut your coat according to your cloth. 量力而为。

4. Circumstances alter cases. 此一时，彼一时。 (情势比人强。)

5. Custom makes all things easy. 习惯成自然。

6. Cast pearls before swine. 对牛弹琴。

7. Cast not the first stone. 责人之心责己，恕己之心恕人。

8. Charity begins at home. 百善孝为先。

9. Call a spade a spade. 直言不讳。据实以告。

10. Cats hide their claws (paws). 鹰立如睡，虎行似病。

11. Coming events cast their shadows before. 国之将兴，必有征祥;国之将亡，必有妖孽。

12. Care killed the cat. 忧能伤身。

13. Curiosity killed the cat. 别太好奇。

14. Cheats never proper. 欺骗决非正当事。

15. Cheek brings success. 和气生财。

16. Circumstances are the rulers of the weak, instrument of the wise. 弱者困于环境，智者利用环境。

17. Clothes make the man. 人要衣装，佛要金装。

18. Content is better than riches. 知足常乐。

19. Conversation makes one what he is. 言如其人。

20. Cowards are cruel. 懦夫不仁。