Definition
This phrase describes a group that has fewer people or members than is usual or required.
人數不足，人員不齊備
The team is currently below strength due to injuries to several key players.
由於幾名關鍵球員受傷，這支球隊目前人手不足。
Many departments are below strength during the holiday season.
許多部門在假期期間人手不足。
The sales team is currently below strength due to the recent wave of resignations.
由於最近的離職潮，銷售團隊目前人手不足。