Read Edit View history 天长日久 tiānchángrìjiǔ over time Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 天长日久/天長日久 · tiānchángrìjiǔ · over time 2026/03/04 天长日久 / 天長日久 tiānchángrìjiǔ over time after a long time; over a long period 天长日久，这种习惯就很难改掉了。 idiom created sense Mar 4, 2026, 02:25 AM