寝室で

in the bedroom

→ 寝室
phrase Rare #35,910
in the bedroom 寝室 means “bedroom,” and で marks the place where an action or event occurs.
JA: 寝室で本を読んでいます。
EN: I’m reading a book in the bedroom.

女性は寝室で眠っている

The woman is sleeping in the bedroom.

寝室で物音した

I heard a noise in the bedroom.

トム寝室で昼寝してるよ

Tom is taking a nap in the bedroom.

男は寝室で死んでいた

The man was found dead in the bedroom that morning.