dropout
noun [ C ] uk/ˈdrɒp.aʊt/ us/ˈdrɑːp.aʊt/
辍学者，退学者;（与众不同的）怪人
a person who leaves school, college, or university before completing a qualification, or a person who lives in an unusual way
a high school/college dropout 高中辍学者／大学肄业生
He was a loner and a dropout. 他是个独来独往的怪人。