upstairs
The Italian word 'sopra' is used to refer to the floor or level above the current one, just like 'upstairs' in English. It can also be used more generally to mean 'above' or 'over' something else.
We jump over the rope
In this sentence, 'sopra' is used to express the act of going or moving over something, which is a common usage in both formal and informal contexts. Specifically, it captures the motion of jumping over a rope.
The clouds above us seem strange
Here, 'sopra' is used to indicate something (clouds, in this instance) being positioned above something else (us, in this case). This usage is often encountered when describing the relative position of things in already defined (or obvious) contexts, such as the sky or a building.