Underachieve
vi. 未能充分发挥学习潜力, 学习成绩低于智力测验中所得分数
📖 牛津释义
underachieve
v[I]
(euph 婉) do less well than was expected, esp in school work 成绩未如理想（尤指功课）.
🗣️ 情景例句
Jack's genius at business.
杰克是个经商的天才。
Today is my birthday.
今天是我的生日。
(Gets very excited.) To sell such a suit as that to a millionaire!
（突然变得激动起来。）竟然把这样一套衣服卖给一位百万富翁！