sulk
verb [intransitive] (disapproving)to look angry and refuse to speak or smile because you want people to know that you are upset about something 面有愠色;生闷气 He went off to sulk in his room. 他回到自己的房间,生起闷气来。 He was still sulking about the break-up of his band. 他还在为他的乐队解散而生闷气。 She sulked all the way to the theatre. 她一路生着闷气去剧院。
Word Originlate 18th cent.: perhaps a back-formation from sulky.