adj.人手不足的；人员不足的
If you are undermanned, we will staff you up. 如果你们的人手不够，我们会给你们补充人员。
We are so undermanned that we cannot fulfill any more orders before this Friday. 我们因为缺少人手，所以这周五前无法交付更多的订货。
They were undermanned and we were able to take advantage of them. 他们人员不足，而我们很好的利用了这一点。
