1.大开眼界 open one's eyes; broaden one's horizon; be an eye-opener
2.过犹不及 going too far is as bad as not going far enough; beyond is as wrong as falling short; too much is as bad as too little
3.国泰民安 The country flourishes and people live in peace
4.马到成功 achieve immediate victory; win instant success
5.功夫不负有心人 Everything comes to him who waits.
6.好了伤疤忘了疼 once on shore, one prays no more
7.好事不出门恶事传千里 Good news never goes beyond the gate, while bad news spread far and wide.
8.和气生财 Harmony brings wealth.
9.活到老学到老 One is never too old to learn.
10.既往不咎 let bygones be bygones
11.金无足赤人无完人 Gold can't be pure and man can't be perfect.
12.金玉满堂 Treasures fill the home.
13.脚踏实地 be down-to-earth
14.脚踩两只船 sit on the fence
15.君子之交淡如水 the friendship between gentlemen is as pure as crystal; a hedge between keeps friendship green
16.老生常谈,陈词滥调 cut and dried, cliché
17.礼尚往来 Courtesy calls for reciprocity.
18.留得青山在不怕没柴烧 Where there is life, there is hope.
19.名利双收 gain in both fame and wealth
20.茅塞顿开 be suddenly enlightened