[] to teach sb new skills; to learn new skills 教授新技能；学习新技能；培训◆The company has invested heavily in upskilling its workforce. 公司在员工技能提升方面投以重资。◆a course for salespeople wanting to upskill in database management 为提高销售人员数据库管理技能而设的课程
[] to change a job so that it needs more skills to do it 改设到要求更高技能的工作岗位◆upskilled tasks/jobs 要求更高技能的任务／工作