fail a course 挂科
drop out 辍学
expel 开除
withdraw 退学
pass with flying colors 轻松通过
1. He flunked out of college after his sophomore year because he couldn't handle the workload.
他在大二后因无法应付课业负担而退学。
2. She was close to flunking out, but her tutor helped her pass the final exam.
她差点被退学，但导师帮助她通过了期末考试。
3. Many students fear flunking out if they do not study hard enough.
许多学生担心如果不努力学习就会被退学。
A: Why did you leave university so early?
A：你为什么这么早就离开大学了？
B: I flunked out of my major because I failed two core courses.
B：因为挂了两门核心课程，我被迫退学了。
1) 因成绩不达标被学校开除
2) 因无法继续学业而被迫辍学
3) 考试不及格导致学业中断
1. 退学；被开除（通常因成绩不合格）
e.g.He flunked out of high school.
他高中退学了。
phrasal verb
1. To be forced to leave school, especially because of poor academic performance.
Synonym: drop out, be expelled