I flunked biology in the tenth grade.

十年级时我生物不及。

She foreboded her failure in the exam.

她预感自己会不及。

I didn't flunk but I didn't do too well.

我没有不及，得不太好。

Failing his exams has certainly cut him down to size.

不及无疑会让他自省。

Some college courses are graded in terms of either a pass or a fail.

有些大学课程按及或不及评分。

Those who failed the exam take a makeup exam.

这次不及的人必须参加补。

He was wretched when he failed the examination.

由于不及, 他很痛苦。

He didn’t flunk out,but his record isn’t so hot.

他没有不及,成绩很一般。

It’s discouraging that so many students have failed.

学生不及,真令人泄气。

He was plucked in the examination.

他不及。

The mother frowned when her son failed in his exam.

儿子不及时, 母亲皱着眉。

"They didn't flunk out, but their records weren't so hot."

"他们勃没有不及,成绩不太好。"

The thought that she might fail the history test dismayed her.

想到历史可能不及时, 她很沮丧。

It is painful that Tom will fail this exam.

汤姆这次如不及, 会叫人痛心的。

It’s my own lookout if I fail this exam.

要是我这次不及，就是我自己的问题。

The very thought of failing in the English examination frightens me.

甚至想到英语(可能)不及我就害怕。

I would fail my exams but that the classmates help me with my lesson.

要不是同学们帮助我学习功课, 我就会不及。

Diligent students occasionally fail this subject.

用功的学生在这门功课上偶尔也不及。

If you do such sloppy work again,I promise I’ll fail you.

要是下次作业你再马马虎虎,我话说在头里,可要给你打不及了。

He bilged out.

他因成绩不及而退学。