YOU SAID:

im so dumb my brother

INTO JAPANESE

私の兄弟のイムだからダム

BACK INTO ENGLISH

My brother im so dumb

INTO JAPANESE

私の兄弟はとてもダムだ

BACK INTO ENGLISH

My brother is so dumb

INTO JAPANESE

私の兄はとても馬鹿です

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My brother is so stupid

INTO JAPANESE

私の兄はとてもばかげている

BACK INTO ENGLISH

My brother is very ridiculous

INTO JAPANESE

私の兄はとてもばかげている

BACK INTO ENGLISH

My brother is very ridiculous