We walked in silence up a flight of stairs and down a long corridor.

我们默默地走上一段楼梯，穿过一道长廊。

《柯林斯英汉双解大词典》

They vanished down the stairs like two phantoms.

他们像两个幽灵似的下楼不见了。

《柯林斯英汉双解大词典》

He shoved her down the stairs.

他把她推下楼梯。

《牛津词典》

He left his room and walked down the stairs to the hotel dining room.

VOA: special.2009.01.31

You need to walk down the stairs and then up the stairs.

要被迫上下楼。

哈佛公开课 - 幸福课课程节选

So you went over to their hotel,then you tripped, and you fell down two flights of stairs.

VOA: standard.other

Strangers lent cell phones, moms held other moms' babies so they could have a break, passengers gave a hand to the elderly to ensure they got up and down the stairs safely and guys were ready and willing to lift wheelchairs of sick children up and down the stairs, as my friend Nick Burge did.

CNN: , Special to

In most airports, you are hustled off the plane and up stairs, down escalators, around corners, and along endless low-ceilinged, interior corridors before you have the privilege of standing in a line to show your passport.

NEWYORKER: Situation Terminal

She went in and out of rooms, up and down stairs.

NEWYORKER: Ziggurat