get the hang of
Learn the proper way of doing, using or handling something; acquire the knack of something. For example, I finally got the hang of this computer program. [Colloquial; mid-1800s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.