security guard
柯林斯词典
1. N-COUNT A security guard is someone whose job is to protect a building or to collect and deliver large amounts of money. 保安人员
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security guard (security guards)
剑桥词典
- someone whose job involves preventing people going into places without permission , transporting large amounts of money , or protecting goods from being stolen
保安人员；警卫 返回 security guard