YOU SAID:

i'm in a bad mood because of my mood swings

INTO JAPANESE

私は私の気分変動のせいで機嫌が悪いのです

BACK INTO ENGLISH

I am in a bad mood because of my mood swings

INTO JAPANESE

私の気分のむらのために私は機嫌が悪い

BACK INTO ENGLISH

I am in a bad mood because of my uneven mood

INTO JAPANESE

私は私の不均一な気分のせいで機嫌が悪い

BACK INTO ENGLISH

I am in a bad mood because of my uneven mood