To relinquish ( power or responsibility ) formally.
正式放弃正式放弃 ( 权力或责任 )
The dictator was forced to relinquish control of the area to the new governor.
The old king was made to relinquish his power to his son.
He says bullfighting is too important to regional tradition to relinquish.
He was forced by law to relinquish the children to their mother.