YOU SAID:

Say it louder to the people in the back

INTO JAPANESE

背中の人々にそれを大きく言う

BACK INTO ENGLISH

Say it to the people on the back big

INTO JAPANESE

後ろの大きな人たちに言ってください

BACK INTO ENGLISH

Please tell the big people in the back

INTO JAPANESE

背中の大きな人に教えてください

BACK INTO ENGLISH

Please tell me a big person on the back

INTO JAPANESE

背中に大きな人を教えてください

BACK INTO ENGLISH

Please tell me a big person on your back

INTO JAPANESE

あなたの背中に大きな人を教えてください

BACK INTO ENGLISH

Please tell me a big person on your back