New American Standard Bible (©1995)
"But be sure of this, that if the head of the house had known at what time of the night the thief was coming, he would have been on the alert and would not have allowed his house to be broken into.
King James Bible
But know this, that if the goodman of the house had known in what watch the thief would come, he would have watched, and would not have suffered his house to be broken up.
Darby Bible Translation
But know this, that if the master of the house had known in what watch the thief was coming, he would have watched and not have suffered his house to be dug through into.
English Revised Version
But know this, that if the master of the house had known in what watch the thief was coming, he would have watched, and would not have suffered his house to be broken through.
Online Parallel Bible