underachievement发音名词1低成就、成绩不如预期、学习表现落后多用于教育领域The report links underachievement in reading to a lack of support at home.报告将阅读能力的低成就归因于家庭支持不足。2表现不如预期、绩效不佳Years of underachievement finally cost the manager his job.多年表现不如预期,最后让这位经理丢了工作。用这个字练口说→