不先敲门就进入一个人的房间是不礼貌的。

It's impolite to enter a person's room without knocking at the door first.

youdao

一个人的房间。

A person's room.

youdao

警方盘问了房间里的每一个人。

The police questioned everyone in the room.

《牛津词典》

And for those of you at the very end of the alphabet, 1-190 we have a special room for you, 1-190, so everybody has some elbow room.

而你在字母表的末尾，我们给准备了一个特别的房间，因此，每个人都有些活动空间。

麻省理工公开课 - 固态化学导论课程节选

There's the room of this life, and there's the room of the next life and people who have near-death experiences either temporarily were in the second room or else at least they were glancing into the second room.

这里是今生的房间,那里有一个来世的房间,有濒死体验的人,或者短暂地进入到第二个房间,或者至少对第二个房间匆匆一瞥

耶鲁公开课 - 死亡课程节选