重 点
If someone is expelled from a school or organization, they are officially told to leave because they have behaved badly. 开除
verb [vt. 及物动词] 把……开除（或除名）；驱逐；排出（空气、水、气体等）
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。
