As an example of the latter point, he notes growing efforts at major universities to tighten grading standards and restore failing grades.

作为后一点的例子，他注意到各大大学在收紧评分标准和恢复不及格成绩方面的努力越来越大。

youdao

The girl's failing grades troubled her parents deeply.

这个女孩考试不及格使家长深感忧虑。

youdao

The student's failing grades troubled his parents deeply.

这个学生考试常不及格，使他的家长深为忧虑。

youdao

When his mother learned of his failing grades she required her sons to read two library books every week.

VOA: special.2009.09.04

Roosevelt and Hoover had night-and-day differences in personality and political skills, but both deserve failing grades in economics.

FORBES: Fact and Comment

In America, a congressional committee for computer security has given failing grades to many of the federal bodies it scrutinises.

ECONOMIST: Cyberwarfare

The Obama administration gave General Motors and Chrysler failing grades Monday for their turnaround efforts and promised a sweeping overhaul of the troubled companies.

CNN: General Motors CEO resigns as part of bailout deal