The Lord … shall lop the bough with terror. A check to the Assyrian arms is intended, but of what nature is not clear. The "lopping of the bough with terror" might indicate a panic, such as that which seized the Syrians and made Benhadad II.
raise the siege of Samaria (2 Kings 7:6, 2 Kings 7:7). But the expressions used later on," hewn down," "cut down," "shall fall," rather imply a defeat.