1.
The boy was kept back in the fourth grade.
男孩在四年级时留级。
2.
He had to repeat the fourth grade.
他读四年级时留级一年。
3.
"Don' t worry. You don' t stay down for failing in one subject."
“不要紧，一门不能够留级。”
4.
The question of repeating a grade must be handled with caution.
留级的问题要慎重。
5.
He flunked6 th grade and had to take classes again.
他六年级留级了，必须重新修课。
6.
Then there is the question of skipping or repeating a grade, but that concerns only a small number of students.
还有个跳级、留级问题。 这涉及的只是少数人。
7.
There is much speculation as to who will stay put.
对于谁将留级，有许多揣测。
8.
If I don't pass, will I have to stay down next year?"
不够六十分，年底要留级的吗？”
9.
And we should also do a good job with those who have to be held back.
必须留级的，也要做好工作。
10.
The teacher asked three of the pupils to stay down this year.
今年老师要3个学生留级。
11.
He didn't pass the examination and had to be kept down
他没通过考试，不得不留级。
12.
My son didn't pass the end-of-term examination and was graded down
我儿子期终考试不及格，留级了。
13.
You'll be kept down next year if you fail the final exam.
如果你期末考试不及格明年就留级。
14.
I am going to pass or bust.
我争取及格，否则就要留级。
15.
He failed his examinations and was put back a whole year.
他考试不及格，被留了一级。
16.
You don't stack the Supreme Court and leave witnesses.
你并不让高级法院优先也没留下证词
17.
The CONTROL SYSTEM also provides an ETHERNET port interface further to the factory manage level in future.
本系统为工厂管理级预留以太网接口。
18.
They tried to tempt her (into staying) with offers of promotion.
他们提出给她晋级来劝说她（留下）.