YOU SAID:
My brother is a doofus
INTO JAPANESE
私の兄はドゥーフスです
BACK INTO ENGLISH
My brother is dufus
INTO JAPANESE
兄はダフス
BACK INTO ENGLISH
Brother is duffs
INTO JAPANESE
兄弟はダフです
BACK INTO ENGLISH
Brother is duff
INTO JAPANESE
兄はダフです
BACK INTO ENGLISH
My brother is duff
INTO JAPANESE
兄はダフです
BACK INTO ENGLISH
My brother is duff
Well done, yes, well done!