the ordinary workers in a company or the ordinary members of an organization, and not the leaders

The party's rank and file are beginning to question the prime minister's choice of advisers. 广大基层党员开始质疑首相对其顾问的选择是否恰当。

[ before noun ] rank-and-file police officers 大多数普通警察拒绝了新近提出的工资方案。