YOU SAID:

My dad sings opera in his underwear.

INTO JAPANESE

私の父は、彼の下着でオペラを歌います。

BACK INTO ENGLISH

My father will sing the Opera in his underwear.

INTO JAPANESE

私の父は、彼の下着のオペラを歌います。

BACK INTO ENGLISH

My father will sing opera in his underwear.

INTO JAPANESE

私の父は、彼の下着のオペラを歌います。

BACK INTO ENGLISH

My father will sing opera in his underwear.