Read Edit View history 由来已久 yóuláiyǐjiǔ long-standing Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 由来已久/由來已久 · yóuláiyǐjiǔ · long-standing 2026/03/10 由来已久 / 由來已久 yóuláiyǐjiǔ long-standing having existed for a long time; originating from a long time ago 这种习俗由来已久。 expression created sense Mar 10, 2026, 03:23 PM