20 And the men of Ai look behind them, and see, and lo, the smoke of the city hath gone up unto the heavens, and there hath not been in them power to flee hither and thither -- and the people who are fleeing to the wilderness have turned against the pursuer, --
20
The men of Ai looked back and saw the smoke of the city rising up into the sky, but they had no chance to escape in any direction; the Israelites who had been fleeing toward the wilderness had turned back against their pursuers.
Young's Literal Translation is in the public domain.