他担心自己可能会期末考试不及格。

He was worried he might flunk the final exam.

如果你考试不及格，你将不得不重修这门课程。

If you flunk the test, you will have to retake the course.

由于懒惰, 这男孩考试不及格.

Because of the laziness, the boy was flunk in the exam.

我（考试不及格）被老师刷掉了。

I was flunked by my teacher.

因为我生物课考试不及格,妈妈狠狠地训斥了我一顿.

Mother dressed me down for the flunking in Biology.

有时他缺课并且考试不及格。

Sometimes he was absent from classes and failed his examinations.

如果你总是缺课，你会考试不及格。

If you are always absent from class, you will fail the examinations.

他悲惨地考试不及格。

He failed the exam miserably.

他们害怕考试不及格。

They are fraid of failing the exam.

他的驾驶考试不及格了。

He failed his driving test.