a bad conscience is a snake in one's heart.
做贼心虚。
a bad workman quarrels with his tools.
拙匠常怨工具差。
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。
