Good for good

pawn - mǎ qián zú

be related by flesh and blood - xuè ròu xiāng lián

a fish leaping over the dragon gate -- have passed a competitive examination - yú yuè lóng mén

seek out able men and receive them - nà shì zhāo xián

give futile help - jiù jīng yǐn zú

A prosperous age - xiū　míng　shèng　shì

vanity fair - cháng ān dào shàng

when the fullest extent is reached , waxing is definitely followed by waning - yíng zé bì kuī

Kill a car and a horse - huǐ chē shā mǎ

withdraw from public life - jì jì shān lín