21.脚踏实地 be down-to-earth
22.脚踩两只船 sit on the fence
23.君子之交淡如水 the friendship between gentlemen is as pure as crystal; a hedge between keeps friendship green
24.老生常谈陈词滥调 cut and dried, cliché
25.礼尚往来 Courtesy calls for reciprocity.
26.留得青山在不怕没柴烧 Where there is life, there is hope.
27.马到成功 achieve immediate victory; win instant success
28.名利双收 gain in both fame and wealth
29.茅塞顿开 be suddenly enlightened
30.没有规矩不成方圆 Nothing can be accomplished without norms or standards.
31.每逢佳节倍思亲 On festive occasions more than ever one thinks of one's dear ones far away. It is on the festival occasions when one misses his dear most.
32.谋事在人成事在天 The planning lies with man, the outcome with Heaven. Man proposes, God disposes.
33.弄巧成拙 be too smart by half; Cunning outwits itself
34.拿手好戏 masterpiece
35.赔了夫人又折兵 throw good money after bad
36.抛砖引玉 a modest spur to induce others to come forward with valuable contributions; throw a sprat to catch a whale
37.破釜沉舟 cut off all means of retreat；burn one‘s own way of retreat and be determined to fight to the end
38.抢得先机 take the preemptive opportunities
39.巧妇难为无米之炊 If you have no hand you can't make a fist. One can't make bricks without straw.
40.千里之行始于足下 a thousand-li journey begins with the first step--the highest eminence is to be gained step by step