A bad beginning makes a bad ending.

不善始者不善终.

A fall into a pit,a gain in your wit.

吃一堑,长一智.

A fox may grow gray,but never good.

江山易改,本性难移.

A friend in need is a friend indeed.

患难见真情.

A miss is as good as a mile.

失之毫厘,差之千里.

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.

Constant dripping wears away a stone.

水滴石穿,绳锯木断.

Content is better than riches.

知足者常乐.

Don't put off till tomorrow what should be done today.

今日事,今日毕.

Don't put the cart before the horse.

不要本末倒置.

Don't trouble trouble until trouble troubles you.

不要自找麻烦.

Don't try to teach your grandmother to suck eggs.

不要班门弄斧.

Do well and have well.

善有善报.

Each bird love to hear himself sing.

孤芳自赏.

Early to bed and early to rise makes a man healthy,wealthy and wise.

早睡早起身体好.

It is never too old to learn.

活到老,学到老.

It is no use crying over spilt milk.

覆水难收.

It is the first step that costs troublesome.

万事开头难.

It is the unforeseen that always happens.

天有不测风云,人有旦夕祸福.

It is too late to grieve when the chance is past.

坐失良机,后悔已迟.

It never rains but it pours.

不鸣则已,一鸣惊人.

It takes three generations to make a gentleman.

十年树木,百年树人.

Jack of all trades and master of none.

门门精通,样样稀松.

Judge not from appearances.

人不可貌相,海不可斗量.

Justice has long arms.

天网恢恢,疏而不漏.

No man can do two things at once.

一心不可二用.

No man is born wise or learned.

没有生而知之者.

No man is content.

人心不足蛇吞象.

Once bitten,twice shy.

一朝被蛇咬,十年怕井绳.

One boy is a boy,two boys half a boy,three boys no boy.

一个和尚挑水喝,两个和尚抬水喝,三个和尚没水喝.

One cannot put back the clock.

时钟不能倒转.

Saying is one thing and doing another.

言行不一.

Seeing is believing.

眼见为实.

Seek the truth from facts.

实事求是.

The cat shuts its eyes when stealing.

掩耳盗铃.

The devil knows many things because he is old.

老马识途

The die is cast.

木已成舟.

We know not what is good until we have lost it.

好东西,失去了才明白.

Well begun is half done.

好的开始,是成功的一半.

We never know the worth of water till the well is dry.

井干方知水可贵.

We shall never have friends if we expect to find them without fault.

欲求完美无缺的朋友必然成为孤家寡人.

We should never remember the benefits we have offered nor forget the favor received.

自己的好事别去提,别人的恩惠要铭记.

Wet behind the ears.

乳臭未干.

Whatever you do,do with all your might.

不管做什么,都要一心一意.

What is learned in the cradle is carried to the grave.

儿时所学,终生难忘.

What's lost is lost.

失者不可复得.