commit (oneself) on (something)

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

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