John Trapp on Jeremiah 50:9

Ver. 9. From the North country] See on ver. 3.

Their arrows ſhall be as of a mighty expert man] Or, of a potent prosperous man, that can hit where he pleaſeth, and that without faile.

None ſhall return in vain] No ſhaft ſhall: or no ſouldier ſhall miſſe of booty, for whereas Babylon, like a ſea, had taken in the wealth of all Nations; ſo it was meet that it ſhould be exhauſted: like as Rome was by the Gothes and Vandals, and as Conſtantinople was by the Turks and Tartars.