五十步笑百步
The pot calls the kettle black

一失足成千古恨
Short pleasure,long lament

塞翁失马，安之非福?
Danger is next neighbor to security

祸兮福所倚，福兮祸所伏
Misfortune might be a blessing in disguises.

一箭双雕/一石两鸟
Kill two birds with one stone.

说到曹操，曹操就到
Speak of the devil(and he will appear).

杀鸡骇猴
Beat the dog before the lion.

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

勿打草惊蛇
Let sleeping dogs lie.

一不做二不休
In for a penny,in for a pound.

无风不起浪
There is no smoke without fire.

胸有成竹
Have a card up one's sleeve.

本末倒置
Put the cart before the horse.

人靠衣装
Fine feathers make fine birds.

种瓜得瓜
As a man sows,so he shall reap.

得陇望蜀/得寸进尺
Much will have more.

喧宾夺主
The sauce is better than the fish.

挂羊头，卖狗肉
He cries wine and sells vinegar.

酒香不怕巷子深
Good wine needs no bush.

青出于蓝而胜于蓝
The pupil outdoes the master.

天涯何处无芳草
There are plenty of fish in the sea.

强中更有强中手
Diamod cut diamod.

杀鸡用牛刀
He takes a spear to kill a fly.

拿了手短，吃了嘴软
Gifts blind the eyes.

天下乌鸦一般黑
Dogs bite in every country.

明枪易躲，暗箭难防
Better an open enemy than a false friend.
人不可貌相
Judge not a book by its cover.

殊途同归
All roads lead to rome./All rivers run into the sea

口蜜腹剑
Peace on the forehead and war in the mind.

身正不怕影子歪
A straight foot is not afraid of a crooked shoe.

水能载舟，亦能覆舟
The same knife cuts bread and fingers.

燕雀安知鸿鹄之志
A sparrow cannot understand the ambition of a swan.

宁当鸡头，不当凤尾
It is better to be the head of a dog/lizard than the tail of a lion.

事实胜于雄辩
Facts speak louder than words.

寸金难买寸光阴
Money can't buy time.

失败乃成功之母
Failure is the mother of success.

教学相长
To teach is to learn.

有其父必有其子
Like father,like son.

骄兵必败
Pride goes before a fall.

浑水摸鱼
Fish in troubled water.

眼不见为净
Out of sight,out of mind./Far from eye,far from heart.

有情人终成眷属
All shall be well,Jack shall have Jill.

天下无不散之筵席
Friends must part.

前事不忘，后事之师/前车之覆，后车之鉴
The remembrance of the past is the teacher of the future.

同床异梦
Every couple is not a pair.

种瓜得瓜，种豆得豆
As you sow,so will you reap.

祸从口出　言多必失
The tongue cuts the throat.

文如其人
The style is the man.

骄兵必败
Pride goes before a fall.