Qǐng shàng lóu, huìyìshì zài sān lóu.
Please go upstairs, the meeting room is on the third floor.
Tā shàng lóu qù ná dōngxi le.
He went upstairs to get something.
Diàntī huài le, wǒmen zhǐ néng zǒulù shàng lóu.
The elevator is broken, we can only walk upstairs.
