Instead, you shall cross to the mountain, and you shall cut down and clear out for yourselves space in which to live. And you shall be able to advance further, when you will have destroyed the Canaanite, who, as you say, has iron chariots and is very strong.
Other versions
King James Version
But the mountain shall be thine; for it is a wood, and thou shalt cut it down: and the outgoings of it shall be thine: for thou shalt drive out the Canaanites, though they have iron chariots, and though they be strong.English Standard Version
but the hill country shall be yours, for though it is a forest, you shall clear it and possess it to its farthest borders. For you shall drive out the Canaanites, though they have chariots of iron, and though they are strong."New International Version
but the forested hill country as well. Clear it, and its farthest limits will be yours; though the Canaanites have iron chariots and though they are strong, you can drive them out."