It may take a few minutes, but he'll catch on.
Martha was quick to catch on that something important had transpired.
He always made sure one of the adults was close by, but his youth and a natural sense of balance helped him to catch on to the sport quickly.
It is an instinct in cats to bury their waste, so all you have to do is show your kitten the litterbox, and he'll catch on very quickly.
Both foreand hindwings are usually present, both pairs being membranous, the hindwings small and not folded when at rest, each provided along the costa with a row of curved hooks which catch on to a fold along the dorsum of the adjacent fore-wing during flight.