master-at-arms

名词 master-at-arms:

1. the senior petty officer; responsible for discipline aboard ship

mas.ter-at-arms

n.（名词）
【复数】 mas.ters-at-arms[m2s.t…rz-]
A petty officer assigned to maintain order.
监察干事：被安排维持纪律的微不足道的军官