怨叹 yuàntàn to sigh with bitterness Origin Definitions Defs Strokes Stroke Words Sentences Sents 怨 yuàn nounverb resentment (bound form) Resentment, hatred, or a grudge; often used in words like 抱怨 bàoyuàn and 怨恨 yuànhèn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.