怀着鬼胎

Explanation: Metaphor hidden ulterior thoughts. 　　Source: Qing Cao Xueqin's "Dream of Red Mansions" With ninety-fifth back to the grind was very hot, etc., not dare to provoke him, fear him angry. " 　　Examples: With such sinister design was very hot and do not dare to provoke him, fear him angry. (Qing Cao Xueqin's "Dream of Red Mansions" Ninety-fifth back)