Old sin makes new shame.一失足成千古恨。 Once a man and twice a child.一次老，两次小。 Once a thief, always a thief.偷盗一次，做贼一世。 Once bitten, twice shy.一朝被蛇咬，十年怕井绳。
One boy is a boy, two boys half a boy, three boys no boy. 一个和尚挑水喝，两个和尚抬水喝，三个和尚没水喝。 One cannot put back the clock.时钟不能倒转。
One eyewitness is better than ten hearsays.百闻不如一见。 One false move may lose the game.一着不慎，满盘皆输。 One good turn deserves another.行善积德。
One hour today is worth two tomorrow.争分夺秒效率高。 One man‘s fault is other man‘s lesson.前车之鉴。 One never loses anything by politeness.讲礼貌不吃亏。 One swallow does not make a summ一燕不成夏。 One‘s words reflect one‘s thinking.言为心声。 Out of debt, out of danger.无债一身轻。 Out of office, out of danger.无官一身轻。 Out of sight, out of mind.眼不见，心为静。
No man is wise at all times.聪明一世，糊涂一时。 None are so blind as those who won‘t see.视而不见。 None are so deaf as those who won‘t hear.充耳不闻。 No news is good news.没有消息就是好消息。 No one can call back yesterday.昨日不会重现。 No pains, no gains.没有付出就没有收获。
No pleasure without pain.没有苦就没有乐。 No rose without a thorn.没有不带刺的玫瑰。
No sweet without sweat.先苦后甜。 No smoke without fire.无风不起浪。 Nothing brave, nothing have.不入虎穴，焉得虎子。 Nothing dries sooner than a tear.眼泪干得最快。
Nothing in the world is difficult for one who sets his mind to it. 世上无难事，只怕有心人。
Patience is the best remedy.忍耐是良药。 Penny wise, pound foolish.贪小便宜吃大亏。 Plain dealing is praised more than practiced. 正大光明者，说到的多，做到的少。
Please the eye and plague the heart. 贪图一时快活，必然留下隐祸。 Pleasure comes through toil.苦尽甘来。 Pour water into a sieve.竹篮子打水一场空。 Practice makes perfect.熟能生巧。 Praise is not pudding.恭维话不能当饭吃。
Praise makes good men better, and bad men worse. 好人越夸越好，坏人越夸越糟。
Prefer loss to unjust gain.宁可吃亏，不贪便宜。 Prevention is better than cure.预防胜于治疗。
Pride goes before, and shame comes after.骄傲使人落后。 Promise is debt.一诺千金。
Proverbs are the daughters of daily experience.谚语是日常经验的结晶。 Pull the chestnut out of fire.火中取栗。
Put the cart before the horse.本末倒置。 Put your shoulder to the wheel.鼎力相助。 Reading enriches the mind.开卷有益。
Reading is to the mind while exercise to the body.读书健脑，运动强身。 Respect yourself, or no one else will respect you.要人尊敬，必须自重。 Rome is not built in a day冰冻三尺，非一日之寒。 Saying is one thing and doing another.言行不一。
Seeing is believing.眼见为实。 Seek the truth from facts.实事求是。 Send a wise man on an errand, and say nothing to him. 智者当差，不用交代。
Set a thief to catch a thief.以贼捉贼。
Short accounts make long friends.好朋友
Where there is a will, there is a way.有志者，事竟成。 Well begun is half done.好的开端是成功的一半。 East, west, home is best.金窝、银窝，不如自己的草窝。 Practice makes perfect. 熟能生巧。
God helps those who help themselves. 天助自助者。 Easier said than done. 说起来容易做起来难。
Where there is a will，there is a way. 有志者事竟成。
One false step will make a great difference. 失之毫厘，谬之千里。 Slow and steady wins the race. 稳扎稳打无往而不胜。 A fall into the pit，a gain in your wit. 吃一堑，长一智。 Experience is the mother of wisdom. 实践出真知。
All work and no play makes jack a dull boy. 只工作不玩耍，聪明孩子也变傻。
Beauty without virtue is a rose without fragrance.无德之美犹如没有香味的玫瑰，徒有其表。 More hasty，less speed. 欲速则不达。
Its never too old to learn. 活到老，学到老。 All that glitters is not gold. 闪光的未必都是金子。
A journey of a thousand miles begins with a single step.千里之行始于足下。 Look before you leap. 三思而后行。
Rome was not built in a day. 伟业非一日之功。 Great minds think alike. 英雄所见略同。
well begun，half done. 好的开始等于成功的一半。 It is hard to please all. 众口难调。 Out of sight，out of mind. 眼不见，心不念。 Facts speak plainer than words. 事实胜于雄辩。 Call back white and white back. 颠倒黑白。 First things first. 凡事有轻重缓急。 Bad news travels fast. 坏事传千里。
A friend in need is a friend indeed. 患难见真情。
live not to eat，but eat to live. 活着不是为了吃饭，吃饭为了活着。 Action speaks louder than words. 行动胜过语言。 East or west，home is the best. 金窝银窝不如自家草窝。
Its not the gay coat that makes the gentleman. 君子在德不在衣。 Beauty will buy no beef. 漂亮不能当饭吃。 Like and like make good friends. 趣味相投。 The older， the wiser. 姜是老的辣。 Do as Romans do in Rome. 入乡随俗。
