YOU SAID:

My cat is much better than your cat because mine is fatter

INTO JAPANESE

私の猫は私のものが太っているのであなたの猫よりずっといいです

BACK INTO ENGLISH

My cat is much better than your cat because my stuff is fat

INTO JAPANESE

私のものは太っているので私の猫はあなたの猫よりずっといいです

BACK INTO ENGLISH

My cat is much better than your cat because it is fat

INTO JAPANESE

私の猫は太っているのであなたの猫よりずっといいです

BACK INTO ENGLISH

My cat is so fat that it is much better than your cat

INTO JAPANESE

私の猫はとても太いのであなたの猫よりずっといいです

BACK INTO ENGLISH

My cat is so fat that it is much better than your cat