YOU SAID:
Calculus is a pain in my posterior
INTO JAPANESE
結石は私の後部の痛みです
BACK INTO ENGLISH
Calculus is a pain in my back
INTO JAPANESE
微積分は背中の痛みです
BACK INTO ENGLISH
Calculus is a back pain
INTO JAPANESE
微積分は背中の痛みです
BACK INTO ENGLISH
Calculus is a back pain
Come on, you can do better than that.