A fall into the pit, a gain in your wit.
吃一堑,长一智。
A bosom friend afar brings distant land near.
海内存知己,天涯若比邻。
A bad workman quarrels with his tools
拙匠常怨工具差。
Actions speak louder than words.
事实胜于雄辩。
Advice when most needed is least heeded.
忠言逆耳。
Avoid a questioner, for he is also a tattler.
好问是非者,恰是是非之人。
After rain comes the sunshine.
苦尽甘来。
A friend in need is a friend indeed.
患难见真交。
A dog's mouth emits no ivory.
狗嘴里吐不出象牙。