YOU SAID:

bad-tempered and sulky; gloomy

INTO JAPANESE

機嫌が悪く不機嫌。暗い

BACK INTO ENGLISH

I'm in a bad mood and I'm in a bad mood. dark

INTO JAPANESE

機嫌が悪くて機嫌が悪い。暗い

BACK INTO ENGLISH

I'm in a bad mood and I'm in a bad mood. dark