To know everything is to know nothing. 什么都知道，一如什么都不知道。
To know oneself is true progress. 人貴有自知之明。
Tomorrow never comes. 我生待明日，萬事成蹉跎。
Too much familiarity breeds contempt. 過分熟悉會(huì)使人互不服氣。
Too much knowledge makes the head bald. 學(xué)問太多催人老。
Too much liberty spills all. 自由放任，一事無成。
Too much praise is a burden. 過多夸獎(jiǎng)，反成負(fù)擔(dān)。
To save time is to lengthen life. 節(jié)約時(shí)間就是延長生命。
Touch pitch，and you will be defiled. 常在河邊走，哪有不濕鞋。
Troubles never come singly. 福無雙至，禍不單行。
Truth never grows old. 真理永存。
Turn over a new leaf. 洗心革面，改過自新。
Two dogs strive for a bone, and a third runs away with it. 鷸蚌相爭，漁翁得利。
Two heads are better than one. 一個(gè)好漢三個(gè)幫。
Two of a trade seldom agree. 同行是冤家。
Two wrongs do not make a right. 別人錯(cuò)了，不等于你對(duì)了。
Unity is strength. 團(tuán)結(jié)就是力量。
Unpleasant advice is a good medicine. 忠言逆耳利于行。
Until all is over one’s ambition never dies. 不到黃河心不死。
Venture a small fish to catch a great one. 吃小虧占大便宜。
Virtue is fairer far than beauty. 美德遠(yuǎn)遠(yuǎn)勝過美貌。
Walls have ears. 小心隔墻有耳。
Wash your dirty linen at home. 家丑不可外揚(yáng)。
Water dropping day by day wears the hardest rock away. 滴水穿石。
Wealth is nothing without health. 失去健康，錢再多也沒用。
We know not what is good until we have lost it. 好東西，失去了才明白。
Well begun is half done. 好的開始，是成功的一半。
We never know the worth of water till the well is dry. 井干方知水可貴。
We shall never have friends if we expect to find them without fault. 欲求完美無缺的朋友必然成為孤家寡人。
We should never remember the benefits we have offered nor forget the favor received. 自己的好事別去提，別人的恩惠要銘記。
Wet behind the ears. 乳臭未干。
whatever you do, do with all your might. 不管做什么，都要一心一意。
What is learned in the cradle is carried to the grave. 兒時(shí)所學(xué)，終生難忘。
What’s done cannot be undone. 生米煮成熟飯了。
What’s lost is lost. 失者不可復(fù)得。
What we do willingly is easy. 愿者不難。
When in Rome, do as the Romans do. 入國問禁，入鄉(xiāng)隨俗。
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