소 잃고 외양간 고치다 / 소 잃고 외양간 고치는 격이에요
closing the barn door after the horse has bolted; acting too late
Example
사고가 난 후에 안전 교육을 하는 건 소 잃고 외양간 고치는 거예요.
Doing safety training after an accident is like closing the barn door after the horse has bolted.
Word parts
Literally 'lose the cow, then fix the barn'—almost the same as the English saying.
Good to know
잃고 is pronounced [일코].
Related words