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Walls have ears. 隔墙有耳 (来源：英语交友 http://friends.englishcn.com)

Want is a severe but efficient teacher. 贫苦是严厉而教导有方的教师

Want is the mother of industry. 贫困是勤劳之母

Want of wit is worse than want of wealth. 无知比贫穷更糟糕

War is death's feast. 战争是死亡的宴席。

Wash one's dirty linen in public 当中出丑

wash one's hands 洗手不干；不再管某人或谋事

Water can not turn backward. 河水不能倒流

The way to be safe is never to feel secure. 警惕才能安全。

The way to heaven is alike in every place. 上天堂的路，到处都一样。

Wealth is the test of a man's character. 财富是人品的试金石

wear and tear 消耗，磨损

wear one's heart on one's sleeve 光明磊落

We are not born for ourselves. 人生天地间，并非为自己

We can not see the wood for the tree. 不能见树不见林

We never know the worth of water till the well is dry. 井干方知水贵

We shall lie all alike in our grave. 躺在坟墓里，人人都一样。

Weeds want no sowing. 野草不必栽种

Well begun is half done. 好的开端是成功的一半

wet blanket 扫兴的事

wet behind the ears 乳臭未干

What can't be cured must be endured. 无法医治的病只好忍受。

What's done can't be undone. 事已定局，无法挽回。

What is done by night appears by day. 夜晚做的是白天会暴露

What is learned in the cradle is carried to the grave. 幼年学的，终生不忘。

What's lost is lost. 失者不可复得

What you have to do, do without delay. 非干不可的事，就得立刻做。

What the heart thinks the tongue speaks. 言为心声。

What's lost is lost. 失者不可复得

When the cat's away, the mice will play. 猫儿不在，老鼠成精。

When the fox preaches, take care of your geese. 狐狸讲道， 鹅要当心。

When Greek meets Greek, then comes the tug of war. 两强相遇，必有一斗。

When gun speaks, it is too late to argue. 大炮一响，谈判已晚。

When a man is going sown hill, everyone will give him a push. 一人走下坡，人人推一把。

When the moon is at its full, it begins to wane. 月盈则亏。

When one will not, two cannot quarrel. 一人不愿，两人难吵。

When the owl sings, the nightingale will hold her peace. 猫头鹰唱歌，夜莺屏息。

When shepherds quarrel, the wolf has a winning game. 鹬蚌相争，渔人得利。

When a thing is done advice comes too late. 事情做过后，忠告也晚了。

When war begins , hell opens. 战争一开始，地域门便开。

When wine sinks, words swim. 三杯酒下肚，开始说胡话。

When the wolf grows old, the crows ride him. 狼老遭乌鸦欺

When you make new friends, don't forget the old ones. 有了新交，不忘旧友。

Where bees are, there is honey. 哪里有蜜蜂，哪里就有蜂蜜。

Where drums beat, laws are silent. 战鼓一响，法律无声。

Where light is, there shadow is. 那里有光，哪里就有影子

Where there is smoke, there is fire. 有烟就有火。

Where there is a will, there is a way. 有志者，是竟成。

While there is life, there is hope. 有生命就有希望。

White elephant 无用之物

white lie 无害的谎言

Who keeps company with the wolf, will learn to howl. 跟狼在一起，就会学狼嗥。

Who knows most says least. 知道最多的人说的最少。

Who makes friends of all keeps none. 滥交友者无友。

The wife is the key of the house. 妻子是家庭的关键。

Willy-nilly 愿意还是不愿意

wind someone round one's finder 任意摆弄

Wine and judgement are mature with age. 酒老味醇，人老识深。

Wine and wenches empty men's purse. 酒和美色使人倾家荡产。

Wisdom is more precious than wealth. 智慧胜过财富。

Wisdom is to the mind what health is to the body. 智慧之于心灵正如健康之于身体。

Wise men have their mouths in their hearts, fools their hearts in their mouths. 知着嘴在心里，愚者心在嘴里。

Wise men seek instruction; fools fall for applause. 聪明人寻找指教，愚蠢人想听赞美。

The wise man is always a good listener. 智者善听人言。

Wit without learning is like a tree without fruit. 光有才智无学识，如同果树不结果。

Wit and will strive for the victory. 智慧和意志是胜利的保证。

With might and main 全力以赴

with one's tail between one's legs 夹着尾巴；垂头丧气

Without a friend, the world is a wilderness. 没有朋友，世界成了荒野。

Without money, without tear. 没有钱，就没有忧虑。

Words are like bees, they have honey and a sting. 言语像蜜蜂，有蜜也有刺。

Words fly, writings remain. 言语飞逝，著作长存。

The world is a ladder for some to go up and some down. 人世如梯子，有人上去有人下来。

The world is an inn, and death is the journey's end. 世界好比旅馆，死亡是旅程的终端。

Work while you work, play while you play. 工作的时候工作，玩耍的时候玩耍。

Work won't kill but worry will. 劳动无害，忧虑伤身。

Worship the golden calf 见钱眼开

Wrangle for an ass's shadow 无意义的争吵

the writing on the wall 不祥之兆

worth one's salt 称职