YOU SAID:

Cell phones are not to be seen or heard in classrooms

INTO JAPANESE

携帯電話は教室で見たり聞いたりしない

BACK INTO ENGLISH

Do not watch or listen to mobile phones in the classroom

INTO JAPANESE

教室で携帯電話を見たり聞いたりしないでください

BACK INTO ENGLISH

Do not watch or listen to mobile phones in the classroom