YOU SAID:

my brother just got braces and is really grumpy.

INTO JAPANESE

私の兄は括弧をついたばかりで本当に不機嫌です。

BACK INTO ENGLISH

My elder brother is just indebted and is really disgusting.

INTO JAPANESE

私の兄はお世話になっているだけで本当に嫌です。

BACK INTO ENGLISH

My brother is really disgusted with just taking care of me.

INTO JAPANESE

私の兄は本当に私の面倒をみてうんざりしている。

BACK INTO ENGLISH

My brother is really tired of taking care of me.

INTO JAPANESE

私の兄は本当に私の面倒を見てうんざりしています。

BACK INTO ENGLISH

My brother is really tired of taking care of me.