YOU SAID:

My brother is repairing his car while I am eating fish

INTO JAPANESE

魚を食べている間私の弟は彼の車を修理します。

BACK INTO ENGLISH

While eating fish my brother repair his car.

INTO JAPANESE

魚を食べながら、私の弟は彼の車を修復します。

BACK INTO ENGLISH

My brother repair his car while eating a fish.

INTO JAPANESE

私の兄は、魚を食べながら、彼の車を修復します。

BACK INTO ENGLISH

My brother is eating fish, while his car repair.

INTO JAPANESE

私の弟は彼の車の修理中、魚を食べています。

BACK INTO ENGLISH

My brother is eating fish during his car.

INTO JAPANESE

私の兄は、彼の車の中に魚を食べています。

BACK INTO ENGLISH

My brother is eating fish while in his car.

INTO JAPANESE

私の兄は、彼の車の中に魚を食べています。

BACK INTO ENGLISH

My brother is eating fish while in his car.