# 一旦 (yīdàn)

In Mandarin Chinese, 一旦 (yīdàn) means “in case (sth happens); if; once (sth happens, then...)”. It is part of the HSK 5 vocabulary list in the official HSK 3.0 standard.

- Meaning: in case (sth happens); if; once (sth happens, then...)
- Pinyin: yīdàn (yi1 dan4)
- HSK 3.0 · Level 5
- HSK 2.0 · Level 5

## Examples

- 一旦做了决定，就别轻易放弃。
  Yīdàn zuò le juédìng, jiù bié qīngyì fàngqì.
  Once you make a decision, don't give up easily.

## Characters

- [一](https://hanziro.com/word/yi-one/) (yī): one
- 旦 (dàn): dawn; daybreak

https://hanziro.com/word/yi-dan-in-case/

Dictionary data: CC-CEDICT (CC BY-SA 4.0). Audio: audio-cmn (CC BY-SA).