to be silent and refuse to smile or be pleasant to people because you are angry about something that they have done

He's sulking in his room because I wouldn't let him have any more chocolate. 因为我不让他再吃巧克力了，他正在自己房间里生闷气呢。

Compare: pout verbbrood verb

a period of time when someone refuses to smile or be pleasant because they are angry about something

If she doesn't get what she wants she goes into a sulk just like a child. 如果她得不到自己想要的东西，她就会像个小孩儿一样生闷气。

He spent the whole day in a sulk. 他一整天都在生闷气。