1.expel vt. 驱逐;开除
More than five-thousand high school students have been expelled for cheating.
五千多名中学生因考试作弊而被开除 。
2.discriminate vt. 歧视;区别;辨别 vi. 区别;辨别
They believe the law discriminates against women.
他们认为这项法律歧视妇女 。
3.absenteeism n. 旷工;旷课;有计划的怠工;经常无故缺席
His boss discharged him for habitual absenteeism.
他的老板因他习惯性旷工而解雇了他 。