to stare at
a scrap of
to be/get stuck on sth
to wander off
to prop something against/on something OR to prop something ↔ up
noughts
dull (adj)
to sigh
to not be able to do sth because it's too difficult
not very interesting
to let out a long breath of weariness or sadness
a small piece
to look at sth for a long time
to move off into another direction
another way to say zero in english (plural form)
to support something by leaning it against something, or by putting something else under, next to, or behind it