陰気な (translations)→ bleak depressed-looking desolate dourly dreary grim lugubrious sad sickly sinister
不機嫌な (translations)→ bad-tempered dirty gruff ill-favored ill-humored indignant snappish snarky
浮かない (translations)→ bad sheepish
憂鬱そうな (translations)→ melancholy worse