浩叹 hàotàn to sigh deeply Definitions Defs Origin Strokes Stroke Words Sentences Sents 浩 hào vast (bound form) grand; vast; extensive; often used to describe water or large-scale momentum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.