一旦yīdàn
Top 2000
Meanings
1. in case (sth happens)
2. if
3. once (sth happens, then...)
4. when
5. in a short time
6. in one day
Characters used
Examples6
Once this process is started, we can get the result within one hour.
Once you have formed a bad habit, you can't get rid of it easily.
China is a sleeping tiger, but once it wakes up, it will shock the world.
If you don't behave, Santa won't come.
All individuals in the world act with clear goals and distinct intentions. But once these actions are brought together by the great torrents of life, clarity recedes and chaos ensues.
The president predicted that once the coronavirus is gone, the stock markets “will pop back up like nobody has seen.”