1.
Because your grades in English are bad,
因为你的英文成绩不好，
2.
He is feeling sad about his examination results.
他为自己的考试成绩不好而感到难受。
3.
This is the second time he flunked out of cllege.
这已是他第二次因成绩不好而退学了。
4.
The teacher said, " You get a low mark, for one thing, because you did not do your homework."
老师说：“你的成绩不好，首先是因为你不做作业。”
5.
and yet he complains that he's behind with his studies and getting poor results.
而他居然还埋怨自己学习落后，成绩不好。
6.
Alex's grades were bad.
亚历克斯的成绩很不好。
7.
If I studied diligently, my grade would not be this awful.
如果我好好学习，成绩不至于这麽差。
8.
I just didn't do well in school and I didn't get along with teachers.
我在学校成绩很不好，跟老师也合不来??
9.
They didn't flunk out, but their records weren't so hot.
他们勃没有不及格, 但成绩不太好。
10.
I'm good at history but not so hot at arithmetic.
我的历史成绩不错, 但算术不太好.
11.
pass easily and do very well.
不费力地通过并取得好成绩。
12.
She had a go at archery, but did not do very well.
她曾经尝试过射箭，可是成绩不大好。
13.
Edison was not a good student when he was a young boy.
爱迪生小时候不是一个成绩好的学生。
14.
When taking the entrance examination, who does not want to have a good result and get into a good school?
考学时谁不想考个好成绩、考上个好学校呢？
15.
Dick made poor marks the first year, but he thought he could improve on them.
迪克第一年成绩很差，不过他认为以后他的成绩能好起来的。
16.
I'm afraid my GPA is not good enough for me to get into the top universities．
我的平均成绩不够好，恐怕进不了一流大学。
17.
You cannot compel good work from unwilling students.
你不能迫使不肯学习的学生取得好成绩。
18.
I'm not sure. My chances would be better if I had better grades.
我不确定，如果我的成绩好一点，机会就会大一点。