have a crack at something

have 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 have a crack at it. You had your chance trying to break the piñata, now let your sister have a crack at it.
See also: crack, have
Farlex Dictionary of Idioms.

have a crack at something

BRITISH, AUSTRALIAN, INFORMAL or

take a crack at something

AMERICAN, INFORMAL
COMMON If you have a crack at something difficult or challenging, you try to do it. I've decided now to have a crack at the world cross country race. Have you ever thought you might like to have a crack at Hollywood? He says if he had a chance he'd like to take a crack at writing the screenplay.
See also: crack, have, something
Collins COBUILD Idioms Dictionary, 3rd ed.

have a ˈcrack at (doing) something

,

get a ˈcrack at (doing) something

(informal) make an attempt at doing something: Why not let me have a crack at fixing the kettle? When will we get a crack at the championship?
See also: crack, have, something
Farlex Partner Idioms Dictionary

have a crack at something

verb
See take a crack at something
See also: crack, have, something
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?