pout; displeasure; ill humor; ill humour; sullenness
朝から不機嫌な顔をしている。
He's had a sour look on his face since morning.
上司の不機嫌さに周囲が気を遣っていた。
Everyone was tiptoeing around the boss's bad mood.
不機嫌だったが、子供の顔を見て少しだけ和らいだ。
He was in a foul mood, but softened a little when he saw the child's face.