剥肤椎髓

Explanation: Stripping: Strip; skin: skin; vertebral: thump. Stripping of human skin, tapping human bone marrow. Metaphor has oppressed and exploited very cruel 　　Usage: Joint type; as predicate; containing derogatory 　　Source: Tang and Han Yu, "Yun Tang state brook poem" Preface: "The Public Order after the death of Duoshi apart, peeling skin vertebral marrow, public and private sweeping Chek Lap." 　　Examples: Cis side to the World GSP Ah Yi Yin, ~ for the energy. ★ Ming Jiao Hong, "Plum Blossoms Cong language affairs" Thesaurus:  Bofuzhuisui