overachiever /ˌoʊvɚrəˈtʃiːvɚ/ noun plural overachievers
plural overachievers
Learner's definition of OVERACHIEVER
[count]
: someone who has much more success than is normal or expected especially at a young age成绩超出标准的人;特别优秀者;成就超出预期者 — opposite underachiever — overachieve
/ˌoʊvɚrəˈtʃiːv/ verb overachieves; overachieved; overachieving [no object]