'Sir' in the Bible

But suddenly someone who resembled a human being touched my lips, so addressing the one who was standing in front of me, I opened my mouth and said, "Sir, I'm overwhelmed with anguish by this vision. I have no strength left.

So how can a servant of my lord talk with someone like you, sir? And as for me, there's no strength left in me, and I can hardly breathe.'

and said, "Don't be afraid, man highly regarded. Be at peace, and be strong.' "As soon as he spoke to me, I gained strength and replied, "Sir, please speak, now that you've strengthened me.'

"I heard, but I didn't understand. So I asked, "Sir, what happens next?'