1. leave a tip
The service wasn’t very good. Shall we leave a tip?
That weitress was so nice, I think I should leave a tip.
napiwek Don’t forget to leave a tip when you pay the bill.
When I in restaurant I leave a tip.
When I'm in a restaurant, I leave a tip.
English word "zostawać napiwek"(leave a tip) occurs in sets:
Artykuły spożywcze/ określanie ilościVERBS AND PHRASES(CZASOWNIKI I ZWROTY)