The LORD was with Judah, and they took possession of the hill country; but they could not drive out the inhabitants of the plains because they had chariots of iron.
KJV
And the LORD was with Judah; and he drave out [the inhabitants of] the mountain; but could not drive out the inhabitants of the valley, because they had chariots of iron.
ASV
And Jehovah was with Judah; and drove out the inhabitants of the hill-country; for he could not drive out the inhabitants of the valley, because they had chariots of iron.