This is the key to my room.

这是这个房间的钥匙。

youdao

But I could hide you in a small, dark nook which opens on the dead-room, where I keep my tools to use for burials, and of which I have the key.

但是我可以把您藏在一间通太平间的小黑屋子里，那是我放埋葬工具的地方，归我管，钥匙也在我这里。

youdao

Receptionist: My pleasure. Oh, and please bring your key card to the reception desk. I'll change the room number on it.

接待员：我很乐意为您服务。噢，请带您的钥匙卡到前台来，我会帮您更改上面的房间号码。

youdao

This time, when my taxi pulled up under the porte cochere, greeters were at the ready with cold towels, juice and the key to my room.

FORBES: Palmistry