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
You've got lots of time to improve your English.
你已经花了好多时间去提高你的英语水平。
Leaves are falling.
叶子落了。
When the grace peroid expires, the contract is annulled.
当这个宽限期届满，你仍未执行合同的话，该合同就终止了。