A change of work is as good as a rest.调换一下工作是很好的休息.

A cheerful wife is the joy of life.快乐的妻子是生活的乐事.

A clean hand wants no washing.不做亏心事，不怕鬼叫门.

A clear conscience is a soft pillow.问心无愧，高枕无忧.

A clear conscience is a sure card.光明磊落，胜券在握.

A clear conscience laughs at false accusations.白日不做亏心事，夜半敲门心不惊.

A clear fast is better than a dirty breakfast.宁为清贫，不为浊富.

A close mouth catches no flies.病从口入，祸从口出.

A cock is valiant on his own dunghill.夜郎自大.

A common danger causes common action.同仇敌忾.

A constant guest is never welcome.久住非佳宾，常来不欢迎.

A contented mind is a perpetual feast.知足常乐.

A contented mind is perpetual feast.知足常乐.

A covetous man is good to none but worse to himself.贪婪的人对别人毫无好处，对自己却坏处更大.

A crafty knave needs no broker.狡猾的流氓，不需居间人.

A creaking door hangs long on its hinges.户枢不蠹.

A discontented man knows not where to sit easy.不满足者坐无宁时.

A disease known is half cured.病情确诊断，治病好一半.

A dog will not howl if you beat him with a bone.骨头打狗狗不叫.

A dog's mouth emits no ivory.狗嘴里吐不出象牙.

A fair death honors the whole life.死得光明，终身荣耀.

A fair face may hide a foul heart.人不可貌相.

A faithful friend is hard to find.益友难得.

A fall into a pit, a gain in your wit.吃一堑，长一智。

A fall into the pit, a gain in your wit.吃一堑，长一智.

A father is a treasure, a brother is a comfort, but a friend is both.父亲是财富，兄弟是安慰，朋友兼而有之.