A clean hand wants no washing.

　　身正不怕影子斜。

　　A clear conscience is a soft pillow.

　　問心無愧，高枕無憂。

　　A clear conscience is a sure card.

　　白日不做虧心事，夜半敲門心不驚。

　　A clear fast is better than a dirty breakfast.

　　寧為清貧，不為濁富。

　　A close mouth catches no flies.

　　病從口入，禍從口出。

　　A cock is valiant on his own dunghill.

　　夜郎自大。

　　A common danger causes common action.

　　同仇敵愾。

　　A contented mind is perpetual feast.

　　知足常樂。

　　Actions speak louder than words.

　　事實勝於雄辯。

　　Admonish your friends in private, praise them in public.

　　在私底下要忠告你的朋友，在公開場合又表揚你的朋友。

　　A fair face may hide a foul heart.

　　人不可貌相。

　　A faithful friend is hard to find.

　　益友難得。

　　A fall into the pit, a gain in your wit.

　　吃一塹，長一智。

　　After a storm comes a calm.

　　否極泰來。

　　After black clouds, clear weather.

　　否極泰來。

　　After death, the doctor.

　　放馬后炮。

　　A good appetite is a good sauce.

　　饑不擇食。

　　A good example is the best sermon.

　　身教勝似言教。

　　A good face is a letter of recommendation.

　　好的相貌就是一封推薦的介紹信。

　　A good fame is better than a good face.

　　好的名望良友如近親。

　　A good marksman may miss.

　　智者千慮，必有一失。

　　A good maxim is never out of season.

　　至理名言不會過時。