unableadj.不能的;不会的
Unable to concentrate不能集中
unable to make ends meet入不敷出
unable to walk at all.根本没法走
Unable to open clipboard无法打开剪贴板
Unable to read smart card不能读智能卡
unable to keep up efforts支持不住
Unable to update the task无法更新任务
Unable to accept an offer不接受报盘
unable to speak from fear吓得说不出话来
Unable to empty clipboard无法清空剪贴板