close the barn door after the horse has bolted

To try to prevent or rectify a problem after the damage has already been done. It isn't worth replacing the oil filter on the engine now—you can't close the barn door after the horse has bolted.

See also: after, barn, bolt, close, door, horse

Farlex Dictionary of Idioms.

See also:

close the stable door after the horse has bolted
shut/lock/close the stable door after the horse has bolted
shut the stable door after the horse has bolted
closing the stable door after the horse has bolted
lock the barn door after the horse has bolted
lock the barn/stable door after the horse has bolted/is stolen, to
lock the stable door after the horse has bolted
lock the stable door after the horse is stolen
stolen
antifreeze

词组	close the barn door after the horse has bolted
释义	close the barn door after the horse has bolted close the barn door after the horse has bolted To try to prevent or rectify a problem after the damage has already been done. It isn't worth replacing the oil filter on the engine now—you can't close the barn door after the horse has bolted. See also: after, barn, bolt, close, door, horse Farlex Dictionary of Idioms. See also: close the stable door after the horse has bolted shut/lock/close the stable door after the horse has bolted shut the stable door after the horse has bolted closing the stable door after the horse has bolted lock the barn door after the horse has bolted lock the barn/stable door after the horse has bolted/is stolen, to lock the stable door after the horse has bolted lock the stable door after the horse is stolen stolen antifreeze
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