My son is my son till he has got him a wife, but my daughter is my daughter all the days of her life. 兒子婚前是兒子，女兒終生是女兒。
Nature is the true law. 天行有常，不為堯存，不為桀亡。
Necessity is the mother of invention. 需要是發(fā)明的動力。
Never fish in trouble water. 不要混水摸魚。
Never judge from appearances. 不可以貌取人。
Never say die. 永不言敗。
Never too old to learn, never too late to turn. 亡羊補牢，為時未晚。
New wine in old bottles. 舊瓶裝新酒。
No cross, no crown. 不經歷風雨，怎么見彩虹。
No garden without its weeds. 沒有不長草的園子。
No living man all things can. 世上沒有萬事通。
No man can do two things at once. 一心不可二用。
No man is born wise or learned. 沒有生而知之者。
No man is content. 人心不足蛇吞象。
No man is wise at all times. 聰明一世，糊涂一時。
None are so blind as those who won’t see. 視而不見。
None are so deaf as those who won’t hear. 充耳不聞。
No news is good news. 沒有消息就是好消息。
No one can call back yesterday. 昨日不會重現。
No pains, no gains. 沒有付出就沒有收獲。
No pleasure without pain. 沒有苦就沒有樂。
No rose without a thorn. 沒有不帶刺的玫瑰。
No sweet without sweat. 先苦后甜。
No smoke without fire. 無風不起浪。
Nothing brave, nothing have. 不入虎穴，焉得虎子。
Nothing dries sooner than a tear. 眼淚干得最快。
Nothing in the world is difficult for one who sets his mind to it. 世上無難事，只怕有心人。
Nothing is difficult to the man who will try. 世上無難事，只要肯登攀。
Nothing seek, nothing find. 沒有追求就沒有收獲。
Nothing is so necessary for travelers as languages. 外出旅行，語言最要緊。
Nothing is to be got without pains but poverty. 世上唯有貧窮可以不勞而獲。
Not to advance is to go back. 不進則退。
Not to know what happened before one was born is always to be a child. 不懂世故，幼稚可笑。
No way is impossible to courage. 勇者無懼。
Obedience is the first duty of a soldier. 軍人以服從命令為天職。
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