be afraid to fail in the exam
1.fail in the the exam
2.do not pass the exam
3.fail to pass the exam
fail the exam 考试不及格
be allowed to do sth被允许做某事
He failed in the exam.
I study hard, so that I may not fail in the examinations.
I would rather fail than cheat in the examination.
She failed one of the exam papers, but we ought to make allowance for the fact that she was ill.
I was too ashamed to tell her that I had failed.
He got a fail in history and passes in other subjects.
You'd better give me my book, otherwise I'll fail my test.
He repeatedly fails to pass the exam.
do not pass the exam.