It's the difference between a pass and a fail.

这是及格和不及格的区别。

《柯林斯英汉双解大词典》

Since these are expected occurrences, the daily pass/fail graphing (although popular) isn't a useful indication of the actual health of the product.

由于这些是预期的事故，所以每日的通过/失败图表（尽管很流行）不是实际的产品健康的有用的指示。

youdao

The tester selects standard results (for example, "pass," "fail," "error," "inconclusive") from a drop-down list.

测试者从一个下拉列表中挑选了标准结果(比如“通过”、“失败”、“错误”、“没有决定”)。

youdao

This is actually something very near and dear to my heart because I literally would not be doing what I do in life today had I not taken a couple of courses here, this one in particular, pass fail.

事实上，我是很关心的,因为今天我就不会站在这里,如果当初我没有这里上课的话，这门课，要么过要么挂科。

哈佛公开课 - 计算机科学课程节选

And that in my mind is one of the upsides of taking a course like this, pass fail, in order to take the edge off.

在我心中,考查课是对这门课程的一大提升，这个课程是按照。

哈佛公开课 - 计算机科学课程节选

In fact, if that person has a 48 and the first person who had the weaker score has a 46, I could still pass the person with the 46, and fail the person with the 48.

事实上，如果这个人得了48分，而第一个人,得分低一点，是46分，我还是会让46分的人通过，而让48分的人挂科。

麻省理工公开课 - 固态化学导论课程节选

New sunscreen labels in effect this year require a pass-fail test for UVA and UVB protection.

WSJ: European Sunscreen Roadblock on U.S. Beaches

He suggested potential loan receivers shouldn't look at the stress tests in terms of pass or fail.

FORBES: Intelligent Investing Panel

And we shouldn't expect some binary moment, a pass-fail grade where, you know, the whole war, yes or no, is decided.

NPR: President Bush Airs His Ideas About Iraq and Iran