1.狗嘴里长不出象牙来。
A cracked bell can never sound well.
2.大人说话，小孩别插嘴。
Children should be seen and not heard.
3.家家有本难念的经。
Every family has a skeleton in the cupboard.
4.吃得苦中苦，方为人上人。
No cross， no crown.
5.江山易改，本性难移。
The child is father of the man.
（责任编辑:doublejp）
