If you make yourself an ass, don't complain if people ride you.
人善被人欺，马善被人骑。
If your ears glow, someone is talking of you.
耳朵发烧，有人念叨。
If you run after two hares, you will catch neither.
脚踏两条船，一定失。
If you sell the cow, you sell her milk too.
竭泽而渔。
If you venture nothing, you will have nothing.
不入虎穴，焉得虎子。
If you want knowledge, you must toil for it.
要想求知，就得吃苦。
Industry is the parent of success.
勤恳是胜利之母。
It is better to die when life is a disgrace.
宁为玉碎，不为瓦全。
It is easier to get money than to keep it.
挣钱轻易攒钱难。
It is easy to be wise after the event.
过后诸葛亮好当。
It is easy to open a shop but hard to keep it always open.
创业轻易守业难。
Learn not and know not.
不学无术。
Learn to walk before you run.
先学走，再学跑。
Let bygones be bygones.
曩昔的就让它曩昔吧。
Let sleeping dogs lie.
别惹麻烦。
Let the cat out of the bag.
泄露天机。
Lies can never changes fact.
假话毕竟是假话。
Lies have short legs.
假话站不长。
Life is but a span.
人生苦短。
Life is half spent before we know what it is.
人过半生，方知天命。
Life is not all roses.
人生并不是平坦大路。
Life without a friend is death.
没有同伙，虽生犹逝世。
It is hard to please all.
众口难调。
It is never too old to learn.
活到老，学到老。
It is no use crying over spilt milk.
反水不收。
It is the first step that costs troublesome.
万事开首难。
It is the unforeseen that always happens.
天有意外风云，人有夙夜迟早祸福。
It is too late to grieve when the chance is past.
坐掉良机，懊悔已迟。
It never rains but it pours.
不鸣则已，一鸣惊人。
It takes three generations to make a gentleman.
十年树木，百年树人。
Jack of all trades and master of none.
门门精晓，样样稀松。
He who makes no mistakes makes nothing.
想不犯毛病，就一事无成。
He who risks nothing gains nothing.
收成与风险并存。
History repeats itself.
汗青往往重演。
Honesty is the best policy.
做人诚信为本。
Hope for the best, but prepare for the worst.
抱最好的欲望，做最坏的盘算。
I cannot be your friend and your flatterer too.
同伙不克不及奉承阿谀。
If a man deceives me once, shame on him, if he deceives me twice, shame on me.
Judge not from appearances.
人弗成貌相，海弗成斗量。
Justice has long arms.
天网恢恢，疏而不漏。
Keep good men company and you shall be of the number.
近朱者赤，近墨者黑。
Kill two birds with one stone.
一箭双雕。
Kings go mad, and the people suffer for it.
君王发疯，庶民遭殃。
Kings have long arms.
普天之下，莫非王土。
Knowledge is power.
常识就是力气。
Knowledge makes humble, ignorance makes proud.
博学使人谦虚，蒙昧使人自满。
Learn and live.
在世，为了进修。
Learning makes a good man better and ill man worse.
大好人越学越好，坏人越学越坏。