proszę pana po angielsku:

Besides being a great statesman, Sir Winston Churchill was a great writer.

Excuse me sir, could you spare some change?

I'm sorry, sir, but a jacket and tie are required.

Hello sir!

He looked into the farmer's smiling red face, "Yes, sir." He said.

It depends on the person, but using "sir" for women (a title of honour for men) is very rude.

Rather than cutting down on cigarettes, sir, why don't you just give them up?

Sir William Lucas had been formerly in trade in Meryton, where he had made a tolerable fortune, and risen to the honour of knighthood by an address to the king during his mayoralty.

I was lost in Sir Anthony's wonderful story.

FSI officer: "Sir, there is a website where ANYONE can add a sentence in a foreign language!". FSI president: "What?! Bomb them!".

Sir Peter Blake was tragically killed by pirates on the Amazon river in 2001 as he was on a mission to monitor environment change.

Er, Sir? What's written on the blackboard isn't an exponential function but a trigonometric one ...

Apologizing isn't going to heal hundreds of second-degree burns, sir.

We have carried the day, Sir! exclaimed the adjutant to the general as the heavy cavalry smashed through the opposing lines.

During the imprisonment of Sir Thomas a frequent intercourse of letters passed between him and this beloved daughter and when deprived of pen and ink he contrived to write to her with a coal.