sir
US /sɝː/
UK /sɝː/

1.
meneer
used as a polite or respectful way of addressing a man, especially one in a position of authority or who is older than the speaker
:
•
Excuse me, sir, could you tell me the way to the station?
Pardon, meneer, kunt u mij de weg naar het station vertellen?
•
Yes, sir, I understand.
Ja, meneer, ik begrijp het.
2.
Sir
used as a title before the name of a knight or baronet
:
•
Sir Isaac Newton was a brilliant scientist.
Sir Isaac Newton was een briljante wetenschapper.
•
The Queen knighted him, and he became Sir John.
De koningin sloeg hem tot ridder, en hij werd Sir John.