监狱里的囚犯们被关在各自的牢房里。

The prison's inmates are being kept in their cells.

《柯林斯英汉双解大词典》

这些动物被关在笼子里了。

The animals were penned up in cages.

《柯林斯英汉双解大词典》

全家人被关在一间屋子里达一个月之久。

The whole family were penned up in one room for a month.

《牛津词典》

But instead for being hypocrites, that we talk about justice but we have detainees in Guantanamo who have no rights.

相反，大家认为我们伪善，我们口口声声主张正义,而被我们关押在关塔纳莫湾的犯人,没有一点权力。

普林斯顿公开课 - 国际座谈会课程节选

because it helped me transition more easily than if I were just, you know, thrown into the East Coast,

比起被关在东海岸的学校，它能更容易地让我转变，

来斯坦福的理由 - SpeakingMax英语口语达人

They had the head and voice and bristles and body of swine but their minds remained unchanged as before, so they were penned there weeping.

他们拥有猪的脑袋,声音,鬃毛和身体,但他们的心理却从未改变,他们被关在猪圈里,轻声哭泣

耶鲁公开课 - 心理学导论课程节选