YOU SAID:
Can I go to the washroom please?
INTO JAPANESE
洗面所に行ってよいですか。
BACK INTO ENGLISH
May I go to the bathroom?
INTO JAPANESE
トイレに行ってもいいですか。
BACK INTO ENGLISH
May I be excused?
INTO JAPANESE
行ってもいいですか?
BACK INTO ENGLISH
May I be excused?
You've done this before, haven't you.