判若两人

Explanation: Describe a person's words and actions before and after the apparent inconsistency, the same as two people. 　　Usage: The main predicate; as predicate; describe the performance of different on different occasions 　　Source: Qing Li Baojia "History of Civilization" The fifth round: "should know that negotiations on the top of Liu prefect, this is what accommodation, how to accommodate, how different person now?" 　　Examples: He and three others were presented the report for one, fear not to destroy the left, and previously the passionate generosity ~. ("To Lu Xun Zheng Zhenduo Letters") Thesaurus:  clearly distinct