make a stab at

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

make a stab at

Try to do something, as in I don't know the answer but I'll make a stab at it. This expression derives from stab in the sense of "a vigorous thrust." [Late 1800s] Also see make a pass at, def. 2.
See also: make, stab
The American Heritage® Dictionary of Idioms by Christine Ammer.
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?