Read Edit View history 信誓旦旦 xìnshìdàndàn vow Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 信誓旦旦 xìnshìdàndàn vow idiom · to make a solemn vow 他信誓旦旦地保证会准时完成任务。 Edit Delete References Add reference No references for this word.