YOU SAID:
He took naked pics of his 12 year old sister
INTO JAPANESE
彼は彼の 12 歳の妹の裸の写真
BACK INTO ENGLISH
He is naked pictures of his 12-year-old sister.
INTO JAPANESE
彼は彼の 12 歳の妹の裸の写真です。
BACK INTO ENGLISH
He is naked pictures of his 12-year-old sister.
That didn't even make that much sense in English.