YOU SAID:

My teacher acts like everything is a big deal and I have insecurity issues

INTO JAPANESE

先生はすべてが大ごとであるかのように振る舞っており、私は不安を抱えています

BACK INTO ENGLISH

My teacher is acting like it's all a big deal and I'm worried

INTO JAPANESE

先生が大変なことのように振舞っているので心配です

BACK INTO ENGLISH

I'm worried because the teacher is acting like it's a big deal

INTO JAPANESE

先生が偉そうにしているので心配です

BACK INTO ENGLISH

I'm worried because the teacher is arrogant

INTO JAPANESE

先生が横柄なので心配です

BACK INTO ENGLISH

I'm worried because the teacher is arrogant