求翻译：一个学生扮演侦探，再秘密选出一个学生扮演坏人。全体学生朗读一段课文，坏人不能发出声音只能做口型。侦探必须在课文读完之前找出那个坏人，否则就要接受惩罚表演节目。是什么意思？

A student to play detective, and then the secret election of a student to play the bad guys. All students read a text, only the bad guys do not sound mouth. Read the text before the detective must find that the bad guys, or we need to accept the punishment performances.

One of the students playing a detective, longer secret elect a student play a bad guy. All the students read aloud, bad guys cannot be crystallized a paragraph can only be done in a voice. Detectives must be read before bedtime to identify the bad guys, otherwise, they will have to undergo punishmen

A student acts the spying, again the secret selects a student to act the unprincipled person.All student reads aloud section of texts, the unprincipled person cannot make the sound only to be able to make the shape of the mouth.Before the spy must reads off in the text discover that unprincipled per

A student play detective, secret elect a student playing a bad guy. All students read a text, the bad guys can't make a sound can only do mouth shapes. Detective must find the bad guys before you after reading the text, or you'll be punished performances.

A student play detective, secret elect a student playing a bad guy. All students read a text, the bad guys can't make a sound can only do mouth shapes. Detective must find the bad guys before you after reading the text, or you'll be punished performances.