挑拨离间

Explanation: Tell tales, so people do not unite. 　　Usage: Joint type; as predicate; containing derogatory 　　Source: Qing Li Baojia "Bureaucrats" 39th: "This Xing Hu Ming-fu, love mischief." 　　Examples: ~ People with ulterior motives. 　　Riddle: Calculate on an abacus Thesaurus:  tell tales (out of school), Get the tongue moving mouth, manage call [make] white black, Exclusion 4 pick 3