Blood is thicker than water.

血浓于水

例句：

Families have their problems and jealousies, but blood is thicker than water.

家家有本难念的经，也都难免互生嫉妒，但总归血浓于水。



Have money to burn.

有钱任性

例句：

The boss always boasts that he has money to burn.

那个老板总是吹嘘自己的钱多得花不完。



Spend money like water.

花钱如流水

例句：

They both spend money like water.

他们两人都是挥金如土。



Shut / slam the door in somebody's face.

拒之门外


例句：

His neighbor slammed the door in his face.

他的邻居当着他的面把门砰然关闭。



Walls have ears.

隔墙有耳


例句：

Hedges have eyes and walls have ears.

[谚]篱笆有眼，墙壁长耳。



Two heads are better than one.

三个臭皮匠赛过诸葛亮


例句：

However, I believe in the saying that two heads are better than one.

不过，我相信『个臭皮匠胜过一个诸葛亮』句俗话。



Rack your brain(s)

绞尽脑汁


例句：

What are you racking your brain over?

什么事让你冥思苦想的?



Tall trees catch much wind.

树大招风


例句：

Tall trees catch much wind.

[谚]树大招风。



do something in one's sleep

闭着眼也能做


例句：

Don't worry, I can do this essay in my sleep.

不用担心，这份论文我闭着眼也能写出来！



Every cook praises his own broth.

老王卖瓜，自卖自夸


例句：

Every cook praises his own broth.

[谚]老王卖瓜，自卖自夸！



Even water gets stuck in your teeth.

喝口凉水都能塞牙缝


例句：

Even water gets stuck in your teeth.

[谚]喝口凉水都能塞牙缝。



Teach fish to swim.

班门弄斧


例句：

Never offer to teach fish to swim.

不要班门弄斧。



Turn a blind eye to sth.

视而不见


例句：

The police had turned a blind eye to the matter.

警方对那一事件视而不见。



Money talks.

有钱能使鬼推磨


例句：

Money talks, that's for sure. All the best seats were reserved for the big shots.

钱可通神，一点也不假。所有的好座位都留给了大人物。



When the cat is away,

the mice will play.

山中无老虎，猴子称大王


例句：

When the cat is away, the mice will play.

[谚]猫儿不在，鼠儿成精。