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
That didn't even make that much sense in English.