underachieving

基本解释

• adj.未能充分发挥学习潜力的；学习成绩不良的

同根派生

英汉例句

• The case for choice is appealing: by allowing parents to send their children to any school in any neighborhood, underachieving schools will be forced to shape up.
  任意选择[学校]的主意很讨好：允许父母送子女到任何住宅区里的任何学校，可以逼迫成绩落后的学校改进。