guardsn.警卫；狱吏；看守；护卫队名词guard的复数形式.guardv.看守；守卫；保卫；提防n.警戒；哨兵；防护装置；警卫；【体】后卫guard agaimst the risk防范风险guard and alarm system安全防范报警系统guarding town building卫所建筑guard against accident防止事故Guardrail Common Sensor护栏普通传感器guarded female children留守女童guarded the prisoner.看守犯人guard-page protection页保护guardless type axle box无导框式轴箱guard against arrogance力戒骄傲