Read Edit View history 事倍功半 shìbèigōngbàn inefficient Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 事倍功半 · shìbèigōngbàn · inefficient 2026/03/04 事倍功半 shìbèigōngbàn inefficient to get half the result with twice the effort; inefficient 方法不对，做事往往会事倍功半。 idiom created sense Mar 4, 2026, 02:25 AM