Hardonn.哈登hardadj.硬的；困难的；棘手的；坚强的；残酷的；用力的；液态的；严寒的；确凿的adv.努力地；强烈地；严重地；坚定地hard-faced share硬面犁铧hard pitch surface硬齿面hard burnt plaster无水石膏hard metal product硬质合金制品hard copy terminal硬拷贝终端hard-wired logic硬连线逻辑hard magnetization强磁化hard surface plate硬表面板,金属干板hard compact soils硬质压实土hard-core waiver自由化义务豁免