豺狼成性

Explanation: As ferocious as wolves become violent behavior. Describe human cruelty 　　Usage: The main predicate; as the predicate attribute; insidious vicious bad analogy 　　Source: Tang LUO "Heaven On Behalf dedicated Chuanxi": "to be poisonous snake chameleon man, wolf by nature." 　　Examples: CONSERVATIVE DENTISTRY owl for the heart of this people, ~, it is true no justice will not be tolerated. (Mingling 濛 beginning "of half an hour Pai An Jing Qi" IV) Thesaurus:  extremely cruel and despotic, a rare tragedy on earth, so tragic that one cannot bear to look at it, Tragedy could not bear to hear, cruel Cannot bear to character, EENT Cannot bear to famous, order Cannot bear to see, frenzied; be perverse; as mad as March hare; be seized with crazy ideas; have cracked brains, too ghastly to look at