army ·noun (ORGANIZED GROUP)
Definition: a group of people organized to do the same job Level: C2
活动组织者动员了一支助手大军，以确保一切顺利进行。
The event organizers mobilized an ___army of helpers to ensure everything ran smoothly.
这家豪华餐厅雇佣了一支服务员大军，照顾每一个细节。
The luxurious restaurant employs an ___army of waiters to attend to every detail.
为了完成大规模清理工作，该市部署了一支环卫工人大军。
To complete the massive cleanup, the city deployed an ___army of sanitation workers.