悲叹 bēitàn to lament Definitions Defs Origin Strokes Stroke Words Sentences Sents 悲 bēi adjectivenoun sad sad; grieving; sorrowful; melancholy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.