1.going too far is as bad as not going far enough
过犹不及

2.beyond is as wrong as falling short;too much is as bad as too little
超越和失败一样错误；太多和太少一样糟糕

3.Everything comes to him who waits
功夫不负有心人

4.draw water to one's mill
唯利是图

5.Good news never goes beyond the gate,while bad news spread far and wide
好事不出门恶事传千里

6.Harmony brings wealth
和气生财

7.One is never too old to learn
活到老学到老

8.let bygones be bygones
既往不咎

9.try first to make their mistake sound less serious and then to reduce it to nothing at all
大事化小小事化了

10.Treasures fill the home
金玉满堂

11.be down-to-earth
脚踏实地

12.sit on the fence
脚踩两只船

13.the friendship between gentlemen is as pure as crystal;a hedge between keeps friendship green
君子之交淡如水

14.cut and dried,cliché
老生常谈陈词滥调

15.Courtesy calls for reciprocity
礼尚往来

16.Where there is life,there is hope
留得青山在不怕没柴烧

17.achieve immediate victory;win instant success
马到成功

18.gain in both fame and wealth
名利双收

19.be suddenly enlightened
茅塞顿开

20.Nothing can be accomplished without norms or standards
没有规矩不成方圆