他的学期论文得了个不及格分数。

He received a falling grade on the term paper.

《新英汉大辞典》

噢！ flunk就是给他们不及格分数啊，那你还真说对了。

LL: I said you are going to flunk the students.

youdao

它是这样运作的：如果学生考试不及格，“分数银行”允许他们借分数。

Here's how it works: The "mark bank" allows students to borrow marks if they fail the exam.

youdao

So you may take this course ultimately via pass-fail or letter grade and I am more than happy to chat with you about the implications and to sign any paper work such as the stack here that you might need.

你可能希望这门课采用及格-不及格分制或者分数制,我很乐意跟你聊下,两个打分制各自的含义,也可以帮你在这里签到。

哈佛公开课 - 计算机科学课程节选

A word about grades-- you may in fact take this course pass-fail.

关于分数我有两句话要说，这门课只分及格和不及格两种。

哈佛公开课 - 计算机科学课程节选