CAN I GO TO THE TOILET, PLEASE?
CAN I DRINK SOME WATER, PLEASE?
WHAT'S THE MEANING OF (...)?
EXCUSE ME! MAY I COME IN?
CAN YOU REPEAT, PLEASE?
I DON'T UNDERSTAND!
THANK YOU! / YOU'RE WELCOME!
HOW DO YOU SAY (...) IN ENGLISH?
CAN I BOROOW YOUR (...) ?
CAN I ASK A QUESTION?