One's deceased father grind second-round exam hope others don't disturb what words posted on the dormitory door.

You can post "All members take the postgraduate entrance examination, please don't disturb".

Students who are about to take the postgraduate entrance examination in their senior year usually don't want to be disturbed by others, so they will put up the slogan "All students take the postgraduate entrance examination, please don't disturb" at the entrance of the dormitory, so as to avoid those students who sell books and courses knocking at the door.