Napoleon himself was once a crying baby.
即使是拿破仑，过去也是啼哭的婴孩。
Nature abhors a vacuum.
自然界拒绝真空。
Nature has given us two ears， two eyes， and but one tongue， to the end that we should hear and see more than wespeak.
天赋我们两耳，两眼，一张嘴巴，归根到底该多听，多看，少说话。
Nature is the glass reflecting truth.
大自然是反应真理的一面镜子。
Nature teaches us to love our friends but religion our enemies.
自然教我们爱朋友，宗教教我们爱敌人。
Nature， time， and patience are the three great physicians.
自然，时间和耐心，是三个伟大的医生。
Nature will have its course.
天行其道。
Naughty boys sometimes make good men.
顽皮淘气的男孩子有时成为仁人君子。
Necessity and opportunity may make a coward valiant.
需要和机遇可以给懦夫勇气。
Necessity （or Need） has （or knows） no law.
需要面前无法律。
Necessity is the mother of invention.
穷则变，变则通。
Necessity knows no law.
铤而走险。
Need makes the old wife trot.
人急造反，狗急跳墙。
Needs must when the devil drives.
情势所迫，只好如此。
Neglect of health is doctors wealth.
忽视健康，医生财旺。
Never be weary of well doing.
行善莫厌烦。
Never cackle till your egg is laid.
事竟成，才声张。
Never do things by halves.
做事情不要半途而废。
Never cast dirt into that fountain of which thou hast sometime drunk.
不要过河拆桥。
Never embark on what comes after without having mastered what goes before.
如未掌握好已学过的东西，切莫从事更深的学习。
Never fry a fish till its caught.
捉到鱼，才煎鱼。
Never neglect an opportunity for improvement.
抓住大好时机，切莫等闲错过。
Never offer to teach fish to swim.
切莫教鱼游泳。
Never put off till tomorrow what may be done today.
今日事，今日毕。
Never say die！ Up man， and try.
不要气馁，跌倒了爬起来再来！
Never say of another what you would not have himhear.
莫说不想让人听见的话。
Never show the bottom of your purse or your mind.
钱包不露底，思想需保留。
Never swap （or swop） horses while crossing the stream.
骑到中流莫换马。
Never think yourself above your business.
切莫自视过高。
Never too late to mend.
亡羊补牢，犹未晚也。
Never too late to repent.
亡羊补牢，犹未晚也。
Never too old （or late） to learn.
活到老学到老。
Never trouble till trouble troubles you.
切莫自寻麻烦。
Never trust another what you should do yourself.
自己的事自己做。
Never trust of fine words.
切勿轻信漂亮的言词。
New brooms sweep clean.
新官上任三把火。
New lords， new laws.
新官新法。
Newspapers are the worlds mirrors.
报纸是世界之镜。
Nightingales will not sing in a cage.
夜莺困笼不唱歌。
No answer is also answer.
不回答也是一种回答。
No bees， no honey， no work， no money.
没有蜜蜂就没有蜜，没有劳动就没有钱。
No cross， no crown.
无苦即无乐。
No gains with out pains.
不劳无获。
No garden without its weeds.
有利必有弊。
No good building without a good foundation.
基础不好，建筑不牢。
No great loss without some small gain.
塞翁失马，安知非福。
No herb will cure love.
相思病无药能医。
No longer pipe， no longer dance.
运不逢时，事不得意。
No love is foul，nor prison fair.
没有肮脏的爱情，也没有美丽的监狱。
No man can be a good ruler unless he has first been ruled.
没受过他人的统治，就不能很好地统治他人。
No man can do two things at once.
心无二用。
No man can make a good coat with bad cloth.
巧妇难为无米之炊。
No man ever became great or good except through many and great mistakes.
不犯千般错误，难成伟大人物。
No man ever became thoroughly bad at once.
没有一个人是一下子就坏透的。
No man ever yet became great by imitation.
模仿别人永远不能成大事。
No man is a hero to his valet.
仆从目中无英雄。
No man （or one） is born wise or learned.
人非生而知之者。
No man is content.
人心不足蛇吞象。
No man is so old， but thinks he may yet live another year.
人越活越想活。
No man is the worst for knowing the worst of himself.
没有一个人因为他自知最糟就是最糟。
No man （or one） is wise at all times.
聪明一世糊涂一时。
No man knows when he shall die， although he knows he must die.
纵然知其难免一死，人却难料何时身亡。
No man learns but by pain or shame.
不经痛苦羞辱，难以取得教训。
No man loves his fetters be they made of gold.
即使脚镣黄金铸，无人爱上这刑具。
No money， no honey.
没有金钱，就没有爱情。
None are so deaf as those who will not hear.
不愿倾听意见者最聋。
None but a wise man can employ leisure well.
唯智者善于利用空闲。
None but the brave deserve the fair.
英雄配美人。
None but the wearer knows where the shoe pinches.
鞋子合不合脚只有穿鞋的人知道。
None knows the weight of anothers burden.
看人挑担不吃力。
None preaches better than the ant， and she says nothing.
蚂蚁不说话，但最善于说教。
None so blind as those who wont see.
最瞎莫如视而不见。
None so deaf as those that wont hear.
置若罔闻。
No news is good news.
没有消息就是好消息。
No one can be perfectly free till all are free；no one can be perfectly moral till all are moral； no one can be perfectly happytill all are happy.
所有的人自由后，才能完全自由；所有的人都有道德，才能完全合乎道德；所有的人都幸福了，才能真正幸福。
No one can call back yesterday.
时光一去不复返。
No one can disgrace us but ourselves.
除了自己谁也不能羞辱我们。
No one can have all he desires.
无人能有所欲有。
No one is a fool always， every one sometimes.
无人总是当傻瓜，人人有时当傻瓜。
No one is wise at all times.
人有失手。
No pain， no palm； no thorns， no throne； no gall， no glory； no cross， no crown.
不劳则无获，共难才得福，有荣必有辱，无苦即无乐。
No pains， no gains.
不劳则无获。
No piper can please all ears.
众口难调。
No pleasure without alloy （or pain or repentance）.
乐中有悲。
No possession， but use， is the only riches.
真正的财富不是占有，而是使用。