YOU SAID:
my brother is a dumbass
INTO JAPANESE
私の弟はバカだ
BACK INTO ENGLISH
My brother's an idiot.
INTO JAPANESE
弟は馬鹿だ
BACK INTO ENGLISH
My brother is a fool.
INTO JAPANESE
私の兄は馬鹿です。
BACK INTO ENGLISH
My brother is a fool.
You should move to Japan!