underachiever
🇺🇸
/ˌʌndərəˈtʃiːvər/
🇬🇧
/ˌʌndərəˈtʃiːvə(r)/
Someone who doesn't do as well as they should or could, often in school.
Despite his high IQ, he was considered an underachiever because he rarely studied.
높은 IQ에도 불구하고, 그는 드물게 공부했기 때문에 저조한 성과를 내는 사람으로 간주되었다.