greedy , cruel and shameless
The Chinese idiom, G ǒ UX ī ng ǒ UX í ng, refers to evil heart and behavior. It comes from Wu Mingshi's killing dogs and persuading husband in Yuan Dynasty.
The origin of Idioms
The third part of killing a dog and persuading a husband written by Wu Mingshi in Yuan Dynasty: "what these people play with is the dog's anger and the dog's voice, what they make is the dog's heart and dog's action.
Idiom usage
Used as an attribute or object; used in figurative sentences
Analysis of Idioms
A wolf's heart
greedy , cruel and shameless
Study classics and make history - yán jīng zhù shǐ
intense publicity campaign in preparation for some sinister undertaking - mì luó jǐn gǔ