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
Would a professional photographer be without a picture?
一位专业摄影师会没有照片吗？
Teach your grandmother to suck eggs.
班门弄斧。
It's a pleasant dream but everything depends on 'if'!
这是个美好的梦，但一切都取决于“如果”！