An eye for an eye and a tooth for a tooth.以眼还眼，以牙还牙。

An hour in the morning is worth two in the evening.一日之计在于晨。

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 moss¹.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。

A stitch in time saves nine.小洞不补，大洞吃苦。

A straight foot is not afraid of a crooked² shoe.身正不怕影子斜。

A wise head makes a close mouth.真人不露相，露相非真人。

A word spoken is past recalling.一言既出，驷马难追。

A year‘s plan starts with spring.一年之计在于春。

A young idler, an old beggar.少壮不努力，老大徒伤悲。