惋叹 wǎntàn to sigh mournfully Origin Definitions Defs Strokes Stroke Words Sentences Sents 惋 wǎn verb to sigh (bound form) to sigh with regret, pity, or sympathy; to feel sorry for.叹 嘆 tàn verb to sigh (bound form) To exhale deeply to express sadness, frustration, or exhaustion; to sigh. Often used in 叹气 tànqì.