For; or, otherwise, as this particle is sometimes used; if you do not follow my advice. As a wandering bird cast out of the nest; which knows not whither to go, nor what to do. At the fords of Arnon; which was the border of the land of Moab, where they were, either being carried that way into captivity, or rather with design to flee out of their own land, although they knew not whither, as the foregoing metaphor showeth.
Related Commentaries of Isaiah 16:2
Isaiah 16:2
2 For it shall be, that, as a wandering bird cast out of the nest, so the daughters of Moab shall be at the fords of Arnon.