: to take a premature or ill-considered action

listen to the pronunciation of : to take a premature or ill-considered action
Английский Язык - Английский Язык

Определение : to take a premature or ill-considered action в Английский Язык Английский Язык словарь

: To take a premature or ill-considered action.
go off half-cocked

Make sure none of your men go off half-cocked and ruin this operation.