perform less well or with less success than expected
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。
