KJV: The LORD shall send upon thee cursing, vexation, and rebuke, in all that thou settest thine hand unto for to do, until thou be destroyed, and until thou perish quickly; because of the wickedness of thy doings, whereby thou hast forsaken me.
NASB: "The LORD will send upon you curses, confusion, and rebuke, in all you undertake to do, until you are destroyed and until you perish quickly, on account of the evil of your deeds, because you have forsaken Me.
KJV: If ye will not hear, and if ye will not lay it to heart, to give glory unto my name, saith the LORD of hosts, I will even send a curse upon you, and I will curse your blessings: yea, I have cursed them already, because ye do not lay it to heart.
NASB: "If you do not listen, and if you do not take it to heart to give honor to My name," says the LORD of hosts, "then I will send the curse upon you and I will curse your blessings; and indeed, I have cursed them already, because you are not taking it to heart.