Read Edit View history 一旦 yīdàn HSK5 once Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 一旦 yīdàn (also yídàn) once in case something happens; if one day; whenever; used to introduce a hypothetical situation or a condition that leads to a specific result Edit Delete 一旦 yīdàn (also yídàn) in a single day in a very short time; within a single day Edit Delete References Add reference same_as 一朝/一朝 → 一旦/一旦 Edit Delete
一旦 yīdàn (also yídàn) once in case something happens; if one day; whenever; used to introduce a hypothetical situation or a condition that leads to a specific result Edit Delete