6、Go upstairs/downstairs.
上楼/下楼。
7、It's on the second(third)floor.
在二(三)楼。
8、Excuse me.
对不起。
Where is the washroom(restroom, elevator)?
请问盥洗室(休息室、电梯)在哪儿?
This way, please.
请这边走
Turn left /right.
往左转/右转。
9、It's in the lobby near the main entrance.
在大厅靠近大门。
10、It's in the basement at the end of the corridor.
在地下室走廊尽头。