His grades fluctuated from Ds to Bs, and I had to have the old mid-semester “Do you want to drop out?” talk with him once again.

他的平时成绩总在D和B之间摇摆不定。 我不得不在期中又一次找他谈话，"你是否想要退课?"

youdao

Kids who are simply forced to repeat grades over and over usually don't improve academically and often drop out.

那些被迫一遍又一遍地复读的孩子成绩并没有提高，甚至还经常会退学。

youdao

Having only completed the ninth grade of school with terrible grades, I didn't believe I was college material, and was convinced I'd drop out before I even started.

成绩糟糕并且只有初中学历的我并不相信我是个读大学的料，而且我确信甚至在开始之前就会放弃。

youdao

As my grades started to drop I decided to drop out rather than ruin my hopes of doing well in school.

WHITEHOUSE: The White House

To researchers' surprise, students who received self-esteem messages posted a drop in grades, while grades in the other two groups didn't change.

WSJ: Work & Family: When Help With Self-Esteem Backfires

Ofqual's report included evidence from research interviews with 100 representatives of schools affected by a drop in grades - and a group of head teachers had written to Ofqual requesting transcripts of these interviews.

BBC: Exam grades changed for 45,000 in re-marking