An old dog cannot learn new tricks.

　　老狗学不出新把戏。

　　An ounce of luck is better than a pound of wisdom.

　　聪明才智，不如运气。

　　An ounce of prevention is worth a pound of cure.

　　预防为主，治疗为辅。

　　A rolling stone gathers no moss.

　　滚石不生苔，转业不聚财。

　　As a man sows, so he shall reap.

　　种瓜得瓜，种豆得豆。

　　A single flower does not make a spring.

　　一花独放不是春，百花齐放春满园。

　　A snow year, a rich year.

　　瑞雪兆丰年。

　　A sound mind in a sound body.

　　健全的精神寓于健康的身体。

　　A still tongue makes a wise head.

　　寡言者智。