to close the stable door after the horse has bolted
to close the stable door after the horse has bolted
01
to try to prevent something bad from happening after it has already happened
![to [close|shut|lock] the (stable|barn) door after the horse (has bolted|is stolen) definition and meaning](https://cdn.langeek.co/photo/40963/original/?type=jpeg "to [close|shut|lock] the (stable|barn) door after the horse (has bolted|is stolen) definition and meaning")
Idiom
Old use
例子
After the company's sensitive information was leaked, they installed new security measures, but it was like closing the stable door after the horse had bolted.
The city council decided to increase funding for road repairs after a fatal accident had already taken place. It was like shutting the barn door after the horse is stolen.
