He went off to sulk in his room.

他回到自己屋里，生起闷气来。

《牛津词典》

youdao

Just being contradicted can put him into a towering rage, but I've never known him to sulk or bear grudges.

只要遭到反驳就能使他勃然大怒，但我从来没看到过他生闷气或记恨。

youdao

It's not that the facts about death give you reason to stay in your room and sulk.

不是说关于死亡的事实,给了你呆在房间里生气的理由。

耶鲁公开课 - 死亡课程节选

It's just that the facts about death cause you to stay in your room and sulk.

而只是说关于死亡的事实,导致你呆在房间里生气。

耶鲁公开课 - 死亡课程节选

Clinton, who has said the stakes are too high for Democrats to sulk.

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The long days didn't give him time to sulk about his decision to quit coaching, but he went back to Dartmouth for the first game of its 1984 season.

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In short, I started to sulk.

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