YOU SAID:

Something smells bad and I think it's my dad's B.O.

INTO JAPANESE

何か臭いがして、それは私の父の体臭だと思います

BACK INTO ENGLISH

It smells something and I think it's my dad's body odor

INTO JAPANESE

何かにおいがして、お父さんの体臭だと思います

BACK INTO ENGLISH

It smells something and I think it's my dad's body odor