"Hospital administrator" 是英文中表示医院主任的说法。

"Hospital" 是英文中表示医院的词，"administrator" 是指管理人员，因此 "hospital administrator" 就是指医院的管理人员。

例句：

The hospital administrator is responsible for managing the day-to-day operations of the hospital.
翻译：医院主任负责管理医院的日常运作。

The administrator met with the hospital staff to discuss the budget for the upcoming year.
翻译：主管与医院员工会面，讨论即将到来的一年的预算。

The hospital administrator is in charge of overseeing the hospital's medical staff and making sure that the hospital is running efficiently.
翻译：医院主任负责监督医院的医疗人员，确保医院运转顺畅。