Read Edit View history 长叹 chángtàn sigh Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 长叹/長嘆 · chángtàn · sigh 2026/03/04 长叹 / 長嘆 chángtàn sigh a long, deep sigh expressing sorrow, weariness, or regret 他望着窗外的落叶，长叹了一口气。 verb created sense Mar 4, 2026, 02:25 AM