9. Stay—rather, "Be astounded"; expressing the stupid and amazed incredulity with which the Jews received Isaiah's announcement.
wonder—The second imperative, as often (Isa 8:9), is a threat; the first is a simple declaration of a fact, "Be astounded, since you choose to be so, at the prophecy, soon you will be amazed at the sight of the actual event" [Maurer].
cry … out … cry—rather, "Be ye blinded (since you choose to be so, though the light shines all round you), and soon ye shall be blinded" in good earnest to your sorrow [Maurer], (Isa 6:9, 10).
not with wine—but with spiritual paralysis (Isa 51:17, 21).
ye … they—The change from speaking to, to speaking of them, intimates that the prophet turns away from them to a greater distance, because of their stupid unbelief.