A bad beginning makes a bad ending.

不善始者不善终。

A bird in the hand is worth than two in the bush.

一鸟在手胜过双鸟在林。
A close mouth catches no flies.
病从口入。

A constant guest is never welcome.来源：考试大

常客令人厌。

Actions speak louder than words.来源：考试大

事实胜于雄辩。

Adversity makes a man wise, not rich.

逆境出人才。

A fox may grow gray, but never good.

江山易改，本性难移。

A friend in need is a friend indeed.来源：考试大

患难见真情。

A good beginning is half done.

良好的开端是成功的一半。

A good beginning makes a good ending.

善始者善终。

A leopard cannot change its spots.

积习难改。

A man can do no more than he can.来源：考试大

凡事都应量力而行。

A miss is as good as a mile.

失之毫厘，差之千里。

Business is the salt of life.

事业是人生的第一需要。

Children are what the mothers are.

耳濡目染，身教言传。

Custom is a second nature.

习惯是后天养成的。

Don't put the cart before the horse.

不要本末倒置。

Even Homer sometimes nods.

智者千虑，必有一失。

Everybody's business is nobody's business.

人人负责，等于没人负责。

Fact speak louder than words.

事实胜于雄辩。

God helps those who help themselves.

自助者天助。

Hear all parties.

兼听则明。

He who does not advance loses grou12

逆水行舟，不进则退。

It is hard to please all.

众口难调。

Justice has long arms.

天网恢恢，疏而不漏。

Measure for measure.

针锋相对。

No man is born wise or learned.

没有生而知之者。

Observation is the best teacher.

观察是最好的老师。

One swallow does not make a summer.

一燕不成夏。

Prevention is better than cure.

预防胜于治疗。

Talking mends no holes.

空谈无补。

Where there is smoke, there is fire.

事出有因。

You may know by a handful the whole sack.

由一斑可知全貌。