up the stairs; on an upper floor
situated on, living on or belonging to an upper floor
upper floor of a house, etc.
"no one was allowed to see the upstairs"
"the upstairs maid"
"an upstairs room"
"they lived upstairs"
"she's a bit weak upstairs"
Upstairs in her bed she still heard Aunt Lavvy's..voice.
出自： M. Sinclair
She went upstairs to her bedroom.
出自： M. Keane