a bird in the hand is worth two in the bush.

双鸟在林不如一鸟在手.

a bird is known by its note,and a man by his talk.

闻其歌知其鸟,听其言知其人.

a blind man who leans against a wall imagines that it's the boundary of the world.

坐井观天.

absence sharpens love,presence strengthens it.

相聚爱益切,离别情更深.

a burnt child dreads the fire.

一朝被蛇咬,十年怕井绳.

accidents will happen.

天有不测风云.

a clean hand wants no washing.

身正不怕影子斜.

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 contented mind is perpetual feast.

知足常乐.

actions speak louder than words.

事实胜於雄辩.

admonish your friends in private,praise them in public.

在私底下要忠告你的朋友,在公开场合又表扬你的朋友.

a fair face may hide a foul heart.

人不可貌相.

a faithful friend is hard to find.

益友难得.