一笔抹杀

Explanation: Lightly compared to results, benefits all negative. 　　Usage: Partial official; as predicate; with derogatory 　　Source: Ming Shen Fu "Wild allocated," the defendant's love of books around, lump. " 　　Examples: Critics, however, does not open a new, similar to the critic and his ilk will be taking advantage of the ~. ★ Lu Xun's "Janus-faced set of critics that we should" Thesaurus:  lump together under one head, totally negate, to undo somethilng by a silngle stroke, Stroke Mosa, spring-clean Antonym Group:  split across, Divide into two