be my guest
US /biː maɪ ɡɛst/
UK /biː maɪ ɡɛst/

1.
ga je gang, alsjeblieft
used to give someone permission to do something or to accept an offer
:
•
“Can I borrow your pen?” “Be my guest.”
“Mag ik je pen lenen?” “Ga je gang.”
•
If you want to use the computer, be my guest.
Als je de computer wilt gebruiken, ga je gang.