江山易改，本性难易
The fox may grow gray but never good.
窥一斑而知全貌
You may know by a handful the whole sack.
留得青山在，不怕没材烧
Where there is life, there is hope.
烈火验真金，患难见人心
The fire is the test of gold, adversity of strong man.
二万五千里长征--任重道远
A march which is 25.000 miles long, used to describe an arduous journey.
鲤鱼吃水--吞吞吐吐
A fish is drinking water, meaning that one speaks hesitantly.
芦沟桥上石狮子--数不清
There are numerous stone lions on Lu Gou Bridge. It is used to describe a large amount.
雷声大，雨点小
Actions speak louder than words.
烈火炼真金，患难见真情
Liquor brings out a person‘s true color
家规再严，丑事难免
Accidents will happen in the best-regulated families.
机关算尽太聪明，反误了卿卿性命
The fox knew too much, that‘s how he lost his tail.
疾风知劲草
Adversity is a good discipline.
鸡蛋再硬，碰不过石头
Whether the pitcher strikes the stone, or the stone the pitcher, it is bad for the pitcher.