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