sullen

adj.

1. 闷闷不乐的
   • I was served by a sullen-faced youth.
     一个闷闷不乐的年轻人接待了我。
2. 阴郁的, 阴沉的
   • He looked up at the sullen sky.
     他抬头看了一眼阴沉的天空。