mainly UK a nurse, social worker, etc. who works closely with a particular person and has responsibi

中文解释

（护士、社会工作者等与某些特定的人密切合作并对他们负责的）专门人员 I was assigned a key worker who convinced me to go back to rehab. 指派给我了一个专门人员，他说服我回到康复中心。