close, lock, etc. the barn door after the horse has escaped
成語所屬單字barn
close, lock, etc. the barn door after the horse has escaped — 慣用語
1. This means trying to fix a problem after the damage has already happened.
1.慣用語
釋義
亡羊補牢，為時已晚
This means trying to fix a problem after the damage has already happened.
例句
Maya installed antivirus software after her computer crashed, closing the barn door after the horse escaped.
Did Diego really think locking the gate after the dog ran away would help?