business is business.公事公办。

the style is the man.文如其人。

fish in troubled water.浑水摸鱼。

facts speak louder than words.事实胜于雄辩。

failure is the mother of success.失败是成功之母。
misfortunes never come alone.祸不单行。

hedges have eyes ，walls have ears.隔篱有眼，隔墙有耳。

man proposes，god disposes.谋事在人，成事在天。

the tognue cuts the throat.祸从口出|言多必失。
the rememberance of the past is the mother of the future.前事不忘，后事之师。

teach fish to swim.班门弄斧。

beat the dog before the lion.杀鸡儆猴。

put the cart before the horse.本末倒置。
diamond cut diamond.强中更有强中手。

don't bite the hand that feeds you.不要恩将仇报。

there are plenty of fish in the sea.天涯何处无芳草。

kill two birds with one stone.一箭双雕|一石二鸟。
the same knife cuts bread and fingers.水能载舟亦能覆舟。

a straight foot is not afraid of a crooked shoe.深证不怕影子斜。

all your swans ar geese.事与愿违。

rest breeds rust.生命在于运动。
penny wise and pound foolish.因小失大。t

he pot calls the kettle black.五十步笑百步。

justice has long arms.天网恢恢疏而不漏。

a watched pot never boils.心急吃不了热豆腐。
the moon is not seen when the sun shines.小巫见大巫。

a hedge between keeps friendship green.君子之交淡如水。

many kiss the baby for the nurse's sake.醉翁之意不在酒。
everybody's business is nobody's business.三个和尚那个没水喝。

misfortune might be a blessing in disguise.祸兮福所倚，福兮祸所伏。s

ave your breadth to cool your porridge .各人自扫门前雪，莫管它人瓦上霜。
don't count the chicken before they are hatched.请勿盲目乐观。

what we lose in hake shall have in herring.失之东隅收之桑榆。

the shepherd would rather lose the wool than the sheep.留的青山在不怕没柴烧。
one swallow does not make a summer.一燕不成夏。

heaven has endowed me with talents for eventual use.天生我材必有用。

a bosom friend afar brings distance near.海内存知己，天涯若比邻。

like father,like son.有其父必有其子。

speak of the devil,(and he will appear).说曹操曹操到。

out of sight,out of mind.眼不见为净。

out fo office,out of danger.无官一身轻。

the horse stumbles that has four legs。人无完人，金无足赤

there is no smoke without fire.无风不起浪。

a sparrow can never understand the ambition of a swan。燕雀安知鸿鹄之志哉？

a new broom sweeps clean. 新官上任三把火。  

love me，love my dog.  爱屋及乌。

Nothing comes from nothing