Definition: to be unable to stop yourself from doing something or to stop something from happening Level: B1
当我想起你们俩发生的事情时，我忍不住笑了。
I ___can't ___help laughing when I think about what happened to you both!
我忍不住去想发生了什么。
I ___couldn't ___help thinking about what had happened.
我太难过了，忍不住哭了。
I got so sad that I ___couldn't ___help crying.
