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
Take it easy.
别着急。
Contact me by telephone.
电话跟我联络。
To get a full appreciation of what this means we must turn first to some recent human inventions.
要透彻理解这句话的意义，我们应先回顾一下人类最近的几项发明。