own up to something doing something

Từ điển Oxford Advanced Learner 8th

ˌown ˈup (to sth/to doing sth) derived
to admit that you are responsible for sth bad or wrong
Syn: ↑confess
•I'm still waiting for someone to own up to the breakages.
•Why don't you just own up and hope she forgives you?
Main entry: ↑own_derived