兴叹 xīngtàn to heave a sigh Definitions Defs Origin Strokes Stroke Words Sentences Sents 兴 興 xīng adjectivenoun to flourish to rise; to flourish; to start; to build; to become popular; to mobilize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.