◎ 留级 liújí
[be made to repeat a course at school;fail to go up to the next grade;stay down] 因学年成绩不及格留在原来的年级重新学习,不能升级

升级、降级、跳级

1.(of pupils, etc.) fail to go up to the next grade [year]; repeat the year's work; stay down; retardation; repetition; unpromotion

学生学年成绩不合升级标准，留在原年级重新学习。 巴金 《寒夜》二八：“我害怕不及格留级，对不起家里。”