This unstaffed train station is particularly quiet at night.

This room is so quiet that you can't hear any sound at all.

He always works at nighttime.

I take the train from this station every morning.

Our store is unmanned now.

This store is operated unmanned.

This store is unmanned, only vending machines are operating.

This park becomes deserted at night.

This store is unmanned, only vending machines are operating.

This store is operated unmanned.