狗苟蝇营（狗苟蠅營）　

◎ 狗苟蝇营 gǒugǒu-yíngyíng

(1) [ingratiate oneself with someone to gain one‘s ends] 像狗似的无耻,像苍蝇那样逐臭。比喻到处钻营,而且手段卑劣

到底狗苟蝇营,依然逃不了圣明烛照。——《孽海花》

(2) 也作“蝇营狗苟”