I doubt whether they really have sufficient manpower.
我怀疑他们是否真有足够的人力。
The system puts the firm at a disadvantage because of its overmuch manpower.
由于过剩的人力，这一体制使公司处境不利。
manpower详细解释
man.pow.er n.（名词）The power of human physical strength.人类体力的力量Power in terms of the workers available to a particular group or required for a particular task.劳动力：以可以提供给某个集体或完成某项工作的工人为单位计算的力量
