YOU SAID:

my sister is dumb and I am smart

INTO JAPANESE

私の妹はダムと私はスマート

BACK INTO ENGLISH

My sister is smart is dumb and I

INTO JAPANESE

私の妹はスマートは物の言えないと私

BACK INTO ENGLISH

Smart is dumb, my sister and me

INTO JAPANESE

スマートはダム、私の姉と私

BACK INTO ENGLISH

Smart is dumb, my sister and I

INTO JAPANESE

スマートはダム、姉と私

BACK INTO ENGLISH

Smart is dumb, my sister and I.

INTO JAPANESE

スマートはダム、姉と私。

BACK INTO ENGLISH

Smart is dumb, my sister and I.