know (your) way around (something)

to have knowledge about how something works.

You don't have to know your way around a slide rule to enjoy these exhibits.

• pick up the threads of something
• pick up your marbles
• pick up your marbles and go home
• pick up your marbles and leave
• pick way
• pick your way
• pick you up
• picture of
• picture of something
• picture-perfect
• piece of cake
• piece of the action
• piece of the pie
• piece together
• piece together something
• pie in the sky
• piggy in the middle
• pig in a poke
• pig out
• Pig's arse!
• Pigs might fly.
• pile it high and sell it cheap
• pile on the agony
• pile them high and sell them cheap
• pile up