利欲熏心 [- yù xūn xīn]be reckless with greed; Avarice and lust becloud one's heart.; be blinded [dulled] by greed; be lured by profits; be obsessed with the desire for gain; be overcome by covetousness; be possessed with [by] a lust for gain; put profit above conscience; Lustful desires becloud the heart.:
•¶ 你才办了两天事，就利欲熏心，把朱子都看虚浮了。 After just two days of managing affairs you've become so mercenary that you accuse Zhu Xi of empty talk.