glum

The students looked glum when the teacher announced there would be extra homework.

(Chinese) 当老师宣布会有额外作业时，学生们看起来闷闷不乐。

After losing the championship game, the players sat in glum silence in the locker room.

(Chinese) 在输掉冠军赛后，球员们闷闷不乐地坐在更衣室里，一言不发。