golden handcuffs

Từ điển Oxford Advanced Learner 8th

ˌgolden ˈhandcuffs 7 [golden handcuffs] BrE NAmE noun plural
a large sum of money and other financial benefits that are given to sb to persuade them to continue working for a company rather than leaving to work for another company
•He has just signed a £2m golden handcuffs deal with a rival TV network.