YOU SAID:

My teacher is dumb and she thinks we remember everything she says even though she use too difficult words

INTO JAPANESE

私の先生は愚かで、難しい言葉を使っていても、私たちが言ったことをすべて覚えていると思っています

BACK INTO ENGLISH

I think my teacher is stupid and remembers everything we said, even if he used difficult words

INTO JAPANESE

私の先生は愚かで、難しい言葉を使ったとしても、私たちが言ったことをすべて覚えていると思います

BACK INTO ENGLISH

I think my teacher is stupid and remembers everything we said, even if he used difficult words