have it in (one) to (do something)

have it in (one) to (do something)

To have or possess a specific skill or trait. Wow, Alice is a beautiful singer—I didn't know she had it in her to do that. Honestly, I'm not sure he has it in him to deal with this.
See also: have
Farlex Dictionary of Idioms.

have it in one to do something

to have the motivation or inspiration to do something. She just doesn't have it in her to go back home. I wanted to help out, but I just didn't have it in me.
See also: have, one
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • have it in (one)
  • have it in one
  • have it in one to do
  • have it in you
  • have it in you to do something
  • have something to offer
  • have (something) to offer
  • be every inch a/the (something)
  • every inch the (something)
  • inherit from