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