YOU SAID:

I have got a bad feeling about this.

INTO JAPANESE

私はこれについては悪い感情を持っています。

BACK INTO ENGLISH

I have bad feelings about this.

INTO JAPANESE

これについては悪い感情があります。

BACK INTO ENGLISH

It's about feeling bad.

INTO JAPANESE

それは気持ち悪いです。

BACK INTO ENGLISH

It was a bad feeling.

INTO JAPANESE

悪い感じでした。

BACK INTO ENGLISH

It was a bad feeling.