Sometimes I get bad marks at school, and I feel sad.

有时候我的学校成绩不好，我感到很伤心。

It is spotless, meaning it does not have one single imperfection, bad mark, or blemish.

它是一尘不染的，意思是它没有任何瑕疵。

Wait, so why was she getting bad marks to begin with?

JAD：等等，那么为什么她一开始的成绩就不好呢？

Why are you getting good or bad marks based on the sentence?

为什么你会根据句子得到好分数或坏分数？

So you keep an account of my good and bad marks in Brooke's face, do you?

所以你记下了我在布鲁克脸上的好坏标记，是吗？

So if you have bad marks, test yourself more often, more frequently and more so that it feels hard when you test yourself.

所以如果你的分数不太理想，那么要更常测试自己，更频繁地测试，更多地测试，直到当你测试自己的时候会感觉很难。

The worst mark you can receive is a promise, especially when it is confirmed with an oath; after which, every wise man retires, and gives over all hopes.

你能得到的最糟糕的标记是承诺，尤其是当它被宣誓确认时；之后，每个智者都退休了，放弃了所有希望。

But generally, in school and university exams, it's not the case that like if you get an amazing mark in one subject that makes up for bad marks in the other subject.

但是一般来说，在学校和大学考试中，情况并不是这样，如果你在一门学科取得了非常好的成绩，这并不能弥补另一门学科的糟糕成绩。

" Well, I like that? So you keep an account of my good and bad marks in Brooke's face, do you? I see him bow and smile as he passes your window, but I didn't know you'd got up a telegraph."

“啊，我喜欢你所说的！这么说你是在布鲁克的脸上看我的成绩了，是吗？我看见他经过你的窗前时又鞠躬，又微笑，但我不知道你们还通电报呢。”