No pains, no gains.

不劳无获。

One good turn deserves another.

善有善报。

Out of sight, out of mind.

眼不见，心不烦。

Pride goes before a fall.

骄兵必败。

The wise man is always a good listener.

智者善听人言。

Never think yourself above your business.

切勿眼高手低。

Still waters run deep.

大智若愚。

Penny-wise, pround-foolish.

捡了芝麻，丢了西瓜。

Nothing ventured, nothing gained.

不入虎穴，焉得虎子。

Strike while the iron is hot.

趁热打铁。

There's no place like home.

East or west, home is best.

金窝银窝不如自己的草窝。

Great minds think alike.

英雄之见略同。
Don't cut down the tree that gives you shade.

做事不能忘恩负义。

You can't run after two hares at a time.

一心不可二用。

One swallow does not make a summer.

一燕难成夏。

Let sleeping dogs lie.

不要招惹是非。

Every man has his liking.

萝卜白菜，各有所爱。

God helps those who help themselves.

天助自助者。

Don't put the cart before the horse.

不要本末倒置。

Care killed the cat.

忧虑伤身。

Bad news had wings.

坏是传千里。

Who laughs last laughs best.

笑到最后的人是笑得最好的人。

A miss is as good as a mile.

失之毫厘，谬以千里。

Business is a business.

公事公办。

Content is happiness.

知足常乐。

Give a dog a bad name and hang him.

欲加之罪，何患无词。

Heaven's vengeance is slow but sure.

天网恢恢，疏而不漏。

Beauty lies in lover's eyes.

情人眼里出西施。

Time cures all things.

时间医治一切。

The die is cast.

已成定局。

The walls have ears.

隔墙有耳。

It's all Greek to me.

一窍不通。

A fish out of water.

如鱼离水。

A pain in the neck.

讨厌的事。

Every Tom, Dick and Harry.

不管三七二十一。

as strong as a horse 强壮异常

as quiet as a mouse 静悄悄地

to keep somebody at arm's length 远离某人

as different as chalk and cheese 天壤之别

to be born with a silver spoon in one's mouth 生在富贵人家

to give somebody an inch and he will take a mile 得寸进尺