New Revised Standard Version
But if it was known that the ox was accustomed to gore in the past, and its owner has not restrained it, the owner shall restore ox for ox, but keep the dead animal.

Contemporary English Version
If you refuse to fence in a bull that is known to attack others, you must replace any animal it kills, but the dead animal will belong to you.

New American Bible
But if it was known that the ox was previously in the habit of goring and its owner would not watch it, he must make full restitution, an ox for an ox; but the dead animal he may keep.

Douay-Rheims Bible
But if he knew that his ox was wont to push yesterday, and the day before, and his master did not keep him in; he shall pay ox for ox, and shall take the whole carcass.

But if he knew that his ox was wont to push yesterday, and the day before, and his master did not keep him in; he shall pay ox for ox, and shall take the whole carcass.

Exodus 21:29 But if the ox was wont to push with his horn yesterday, and the day before, and they warned his master, and he did not shut him up, and he shall kill a man or a woman: then the ox shall be stoned, and his owner also shall be put to death.