すみません、トイレはどこですか。
Excuse me, where is the restroom?
トイレの掃除をした。
I cleaned the toilet.
going to the toilet; relieving oneself
Refers to the act of using the toilet. Often used in phrases like トイレに行く.
ちょっとトイレに行ってきます。
I'm going to the restroom for a moment.
Excuse me, I'm going to go to the restroom.
Excuse me, may I use your bathroom?
Please feel free to use this restroom.
Please flush the toilet after you use it.
Let's use the bathroom before we leave.
toilet cleaning
portable toilet; porta-potty