commit oneself on

commit (oneself) on (something)

To agree to something; to make a commitment to something. I'm sorry, but I can't commit myself on your project because it seems fundamentally flawed.
See also: commit, on
Farlex Dictionary of Idioms.

commit oneself on something

to agree to something; to promise or pledge to do something. I'm sorry, but I can't commit myself on this matter until I know more details.
See also: commit, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • a walking
  • a walking (something)
  • a whack at (something)
  • a/the feel of (something)
  • (I) wouldn't (do something) if I were you
  • a spoonful of sugar helps the medicine go down
  • a straw will show which way the wind blows
  • a crack at (someone or something)
  • all right
  • (you) wanna make something of it?