be expelled from school

例句：

1. 1.He was expelled from the schoolfor breaking the rules.
   他因为违反校规而被学校开除。
2. 2. The student was expelled from school for fighting with hisclassmates.
   这个学生因为和同学打架而被学校开除。
3. 3. The teacher warned the studentsthat they would be expelled fromschool if they did not follow the rules.
   老师警告学生们，如果他们不遵守规则，将会被学校开除。