glumness

adj.闷闷不乐的；阴郁的；阴沉的

n.闷闷不乐；忧郁

Don't look so glum! 别那样闷闷不乐。

Faced with all this, no wonder Americans are glum. 世道艰难，无怪乎美国人民要闷闷不乐了。

When the opposition scores, he looks glum. 当对手进球的时候，他一脸忧郁。

He was a charming mixture of glum and glee. 他是一个很有魅力的人，时而忧伤时而欢笑。