take a crack at something

take a crack at (something)

To attempt (to do) something; to take a turn trying (to do) something. Well, I haven't fixed a motor in nearly 10 years, but I'll certainly take a crack at it. You had your chance trying to break the piñata, now let your sister take a crack at it.
See also: crack, take
Farlex Dictionary of Idioms.

take a crack at something

and have a crack at something
tv. to take a try at something. She had a crack at food preparation, but that wasn’t for her. Let me have a crack at changing the tire.
See also: crack, something, take
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • a crack at (someone or something)
  • a whack at (something)
  • a/the feel of (something)
  • (I) wouldn't (do something) if I were you
  • a thing of the past
  • a straw will show which way the wind blows
  • (you've) got to get up pretty early in the morning to (do something)
  • a ghost at the feast
  • all right
  • (you) wanna make something of it?