敲骨吸髓

Explanation: Crack the bones to suck the bone marrow. Analogy is extremely cruel exploitation and oppression. 　　Usage: -Linked; as predicate, attributive, adverbial; containing derogatory 　　Source: Original Song, Buddhism, Taoism, "recorded in the twenty-eighth Zu Jing Chuan Deng Bodhidharma": "Xiren Tao, Qiaoguxisui, gill blood hungry economy." 　　Examples: Qing Feng "for reduction of food floating suk son is too sparse": "sign of the cross plunders officials has always been the so-called ~ who can knock this point and no bone marrow can not carry on smoking." Thesaurus:  Aotouaonao, Tameless Buxun, devilry, do evil things, be free,romantic and untrammeled in character, Wang Zheng exact(extort) excessive (heavy) taxes and levies, 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