胡作非为

Explanation: Hu: chaos; non: not. Regardless of the law or public opinion, doing bad things with impunity. 　　Usage: Joint type; as predicate, attributive, adverbial; negative, suggesting any bad things to do 　　Source: Qing Li Ruzhen "Flowers in the Mirror": "lazy or framed, or framed abuses." 　　Examples: We must not allow bad ~. 　　Riddle: The invading Huns Thesaurus:  Aotouaonao, Tameless Buxun, do evil things, be free,romantic and untrammeled in character, Wang Zheng exact(extort) excessive (heavy) taxes and levies, Qiaoguxisui, exaction, Disregard the law of the land, defy the law ( or standards of discipline), Guagu marrow aspiration, the emperor is far away as the sky, Fish village, tameless haughtiness, Shengfei to do evil