▲表示“住旅馆”“住酒店”等，通常是用stay at (in) a hotel。如：

Are you staying at a hotel?  你们是住旅馆吗?

We rarely stay in hotels. We can’t afford it. 我们很少住旅馆。我们住不起。

He asked me whether I wanted to stay at a hotel or at his home. 他问我是想住旅馆还是想住他家里。

We’re staying at a cheap hotel near the station.  我们住在火车站附近一家便宜的旅馆里。

▲当然，在特定语境中，也可不用stay in (at)。如：

He checked in at the hotel under a false name.  他用假名登记入住旅馆。

After booking into our hotel, we went straight down to the beach.  登记入住酒店后我们就径直去了海滩。