upstairs

1. ADV If you go upstairs in a building, you go up a staircase toward a higher floor. 往楼上[ADV after v]

He went upstairs and changed into clean clothes. 他上楼换了干净的衣裳。

2. ADV If something or someone is upstairs in a building, they are on a floor that is higher than the ground floor. 在楼上

The restaurant is upstairs and consists of a large, open room. 餐馆在楼上，是一个宽敞的大开间。

3. ADJ An upstairs room or object is situated on a floor of a building that is higher than the ground floor. 楼上的[ADJ n]

Marsani moved into the upstairs apartment. 玛萨妮搬进了楼上的公寓。

4. N-SING The upstairs of a building is the floor or floors that are higher than the ground floor. 一楼以上的楼层

Together we went through the upstairs. 我们一起走过上面各楼层。