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.

JFB.