get the hang of (sth)

قلق چیزی را بدست آوردن

to learn how to do something; to acquire an effective technique

EXAMPLE 1: Billy had trouble learning how to ride a bike, but after a few months he finally got the hang of it.

EXAMPLE 2: When I went snowboarding for the first time, I kept falling down. But after a while, I got the hang of it.