YOU SAID:
You have to wear your shirt in the library, everybody.
INTO JAPANESE
みなさん、図書館でシャツを着なければなりません。
BACK INTO ENGLISH
Everyone has to wear a shirt at the library.
INTO JAPANESE
みんな図書館でシャツを着なければなりません。
BACK INTO ENGLISH
Everyone has to wear a shirt at the library.
Okay, I get it, you like Translation Party.