他在楼上。
tā zài lóu shàng
He is upstairs.
楼上住着谁？
lóu shàng zhù zhe shéi
Who lives upstairs?
楼上说得对。
lóu shàng shuō de duì
The poster above is right.
楼上有人吗？
lóu shàng yǒu rén ma
Is anyone above (previous commenter)?
