Someone who is glum is sad and quiet because they are disappointed or unhappy about something.
例句
She was very glum and was obviously missing her children.她郁郁寡歡，顯然在惦念自己的孩子們。
英漢詞典釋義
adj.
悶悶不樂的,憂郁的
She laughed at his glum face.她嘲笑他悶悶不樂的臉。
n.
悶悶不樂,憂郁
He was a charming mixture of glum and glee.他是一個很有魅力的人，時而憂傷時而歡笑。
英英詞典釋義
Adjective
1. reflecting gloom;
"gloomy faces"
2. showing a brooding ill humor;
"a dark scowl""the proverbially dour New England Puritan""a glum, hopeless shrug""he sat in moody silence""a morose and unsociable manner""a saturnine, almost misanthropic young genius"- Bruce Bliven"a sour temper""a sullen crowd"