YOU SAID:
You are to spend a long time in the bathroom.
INTO JAPANESE
あなたはトイレで長時間過ごすことになっています。
BACK INTO ENGLISH
You are supposed to spend a lot of time on the toilet.
INTO JAPANESE
あなたはトイレに多くの時間を費やすことになっています。
BACK INTO ENGLISH
You are supposed to spend a lot of time on the toilet.
You've done this before, haven't you.