YOU SAID:

My sibling is disgusting and smells really bad

INTO JAPANESE

私の兄弟は気持ち悪いと本当に悪いにおいがします

BACK INTO ENGLISH

My brother feels sick and smells really bad

INTO JAPANESE

私の兄は気分が悪く、本当に悪いにおいがする

BACK INTO ENGLISH

My brother feels sick and smells really bad.

INTO JAPANESE

弟は気分が悪くて、本当に悪臭がする。

BACK INTO ENGLISH

My brother feels sick and really stinks.

INTO JAPANESE

私の兄は気分が悪く、本当に悪臭を放ちます。

BACK INTO ENGLISH

My brother feels sick and really stinks.