'My Lord the King' in the Bible

and the commander of the officials said to Daniel, “I am afraid of my lord the king, who has prearranged your food and your drink; for why should he see your faces looking more haggard than the young men who are your own age? Then you would make me forfeit my head to the king.”

this is the interpretation, O king: It is the decree of the Most High [God], which has come upon my lord the king: