Read Edit View history 无端 wúduān for no reason Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 无端/無端 · wúduān · for no reason 2026/03/04 无端 / 無端 wúduān for no reason for no reason at all; without cause 他无端地对我发脾气。 adverb created sense Mar 4, 2026, 02:25 AM