英和和英

the upper stories

the second floor

the upper story

（英国にては）the first floor―（米国にては）―the second story

third basement floor

on a floor above

one-pair front

one-pair back

two-pair front

two-pair back

on a floor below

an upstairs room

an upstairs room

an outbuilding with a single story

the upper floor(s)

a floor of a building which is under ground

on or of upper floors of a building

He is downstairs.

the whole floor of a building

It's on the second floor.

He is upstairs.

to go［come］down two pair of stairs

a two-storied house

the top floor

of a building, a floor that is lower than a given floor

to be raised a grade in court rank

The floor gives way.

to get up two pair of stairs

to go upstairs

the section that is between the first and second floors of a building