YOU SAID:

My sister is sooooooooooo bothering me.

INTO JAPANESE

私の妹はとても私を悩ませています。

BACK INTO ENGLISH

My sister is very bothering me.

INTO JAPANESE

私の妹は私をとても悩ませています。

BACK INTO ENGLISH

My sister is very annoyed with me.

INTO JAPANESE

私の妹は私にとても不い思いがします。

BACK INTO ENGLISH

My sister feels very bad for me.

INTO JAPANESE

私の妹は私にとても悪いと感じています。

BACK INTO ENGLISH

My sister feels so bad for me.

INTO JAPANESE

私の妹は私にとても悪いと感じています。

BACK INTO ENGLISH

My sister feels so bad for me.