What does Ezekiel 21:28 mean?

And thou, son of man, prophesy, and say, Thus saith the Lord Jehovah concerning the children of Ammon, and concerning their reproach; and say thou, A sword, a sword is drawn, for the slaughter it is furbished, to cause it to devour, that it may be as lightning;

And thou, son of man, prophesy and say, Thus saith the Lord God concerning the Ammonites, and concerning their reproach; even say thou, The sword, the sword is drawn: for the slaughter it is furbished, to consume because of the glittering:

And thou, son of man, prophesy, and say, Thus saith the Lord Jehovah concerning the children of Ammon, and concerning their reproach; and say thou, A sword, a sword is drawn, for the slaughter it is furbished, to cause it to devour, that it may be as lightning;

And you, son of man, say as a prophet, This is what the Lord has said about the children of Ammon and about their shame: Say, A sword, even a sword let loose, polished for death, to make it shining so that it may be like a flame:

And thou, son of man, prophesy, and thou hast said: Thus said the Lord Jehovah concerning the sons of Ammon, and concerning their reproach: and thou hast said: A sword, a sword, open for slaughter, Polished to the utmost for brightness!

And thou son of man, prophesy, and say: Thus saith the Lord God concerning the children of Ammon, and concerning their reproach, and thou shalt say: O sword, O sword, come out of the scabbard to kill, be furbished to destroy, and to glitter,

And thou, son of man, prophesy and say, Thus speaketh the Lord Jehovah concerning the children of Ammon, and concerning their reproach; and thou shalt say, A sword, a sword is drawn; for the slaughter is it furbished, that it may consume, that it may glitter: