part company with somebody

Từ điển Oxford Advanced Learner 8th

part ˈcompany (with/from sb) idiom
1. to leave sb; to end a relationship with sb
•This is where we part company (= go in different directions).
•The band have parted company with their manager.
•The band and their manager have parted company.
2. to disagree with sb about sth
•Weber parted company with Marx on a number of important issues.
Main entry: ↑part_idiom