underachiever

🇬🇧/ˌʌndərəˈtʃiːvə(r)/ 🇺🇸/ˌʌndərəˈtʃiːvər/ 6
a student who does not perform as well as expected or as well as the IQ indicates

noun [专属名词]后进生;学校学习成绩低于智商的学生

He just wanted people to stop calling him disadvantaged, an underachiever.
他就是想要人们别再叫他贫穷的失败者。

单词造句:
网友用“Underachiever”造句精选
If the solar system has an underachiever, it has to be Venus. 如果太阳系有一个后进生,那一定是金星。
She will never gain weight, she will become a metabolic underachiever. 她永远不会发胖,只是新陈代谢不足。