YOU SAID:

My little brother, Sato, has been naughty.

INTO JAPANESE

私の弟、佐藤は、いたずらされています。

BACK INTO ENGLISH

My brother, SATO has been naughty.

INTO JAPANESE

私の弟、佐藤はいたずらされています。

BACK INTO ENGLISH

My brother, SATO has been naughty.