NET
21 Then the king of Israel marched out and struck down the horses and chariots; he thoroughly defeated Syria.
Darby
21 And the king of Israel went out, and smote the horses and chariots, and slew the Syrians with a great slaughter.
KJV
21 And the king of Israel went out, and smote the horses and chariots, and slew the Syrians with a great slaughter.