She earned her grades through sheer hard work.
她的学习成绩完全是靠刻苦用功得来的。
Some 20 percent of grades are awarded for coursework.
课程作业占分数的20%左右。
Most of our students attained five 'A' grades in their exams.
我们多数学生的考试成绩是五个优。
The average price for all grades of petrol at the pump was $3.49 a gallon.
加油泵所有等级的汽油平均价格为1加仑3.49美元。
Be aware of the terrible strain it can put on a child when you expect the best grades.
当你期盼最佳成绩时，要意识到这可能给孩子带来的可怕压力。
I forgot all about the ring. Which just goes to show that getting good grades in school doesn't mean you're clever.
我完全忘了戒指的事情。这证明在校取得好成绩并不意味着你就聪明。
他的成绩使我感到惊异。
Her grades on the coming exams will fall for sure.
在即将到来的考试里，她的成绩肯定会下降。
There are also stark differences in pay across grades.
不同年级的学生在薪酬方面也存在明显差异。
Do you want to improve your physics and chemistry grades?
你想提高你的物理和化学成绩吗？
The class sizes became smaller as the grades continued on.
随着年级的不断升高，班级人数越来越少。
Their grades are lower and their dropout rates are higher.
他们的成绩较低，辍学率也较高。
As a scared freshman looking at their grades, it's not fun.
作为一个惶恐的新生，看着那些成绩并不有趣。
If a class is graded on a curve, cheating hurts others' grades.
如果一个班级是按照正态评分的，作弊会影响其他人的成绩。
But as a scared freshman looking at their grades, it's not fun.
但作为一个害怕看成绩的新生，这并不有趣。
Scientists found those in Groups 2 and 3 improved their science grades.
科学家们发现，第2组和第3组的学生的科学成绩有所提高。
On most days, our grades were based on our answer to homework questions.
大多数时候，我们的成绩都是基于我们对家庭作业问题的回答情况。
Students who don't get enough sleep have poorer attendance and lower grades.
睡眠不足的学生出勤率较低，成绩也较差。
Children not as liked by their first-grade peers had slightly lower grades in fifth grade, while those with higher social acceptance had higher grades.
在一年级时不太受同伴欢迎的孩子，读五年级时的成绩略低，而社交接受度较高的孩子会取得更好的成绩。
Instead, declining grades only predicted worse stress hormones among students who believed that worsening grades were a permanent and hopeless state of affairs.
相反，对于那些认为成绩下降是一种永久的、无法挽回的状态的学生来说，成绩的下降只会预兆着他们应激激素的上升。
These students all got grades.
这些学生都得了分。
我的成绩很快开始下降。
My grades improved after a year.
一年后我的成绩提高了。
His grades were not so good as before.
他的成绩不如以前好了。
Students without enough sleep may get poor grades.
睡眠不足的学生可能会取得不好的成绩。
Without you help, I can't get good grades.
没有你的帮助，我不能取得好成绩。
Sometimes it's even the least important than grades.
有时，这甚至比成绩重要。
You'll get good grades if you work hard.
如果你努力学习，你会取得好成绩的。
They are pushed hard to study for good grades.
他们被督促努力学习以取得好成绩。
This affected my studies and made my grades worse.
这影响了我的学习，使我的成绩更差了。
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