Underachieved
v. 学习成绩不良, 未能发挥学习潜能（underachieve的过去式与过去分词形式）
🗣️ 情景例句
And that way,
而且那样的话，
I ought to make a phone call.
我应该打个电话。
Perhaps it will solve my problem, but I just haven't had time to read it!
也许这本书能解决我的问题，但我一直还没时间去看这本书！