A student who tells you his grades have hit bottom is saying he has not done well in school.

VOA: special.2009.09.20

So we have 4 plus 5, but we're actually not done yet, because it's c n minus, so if we have minus, we actually have an extra electron in our molecule.

我们有四个加上五个，但是我们实际上还没做完，因为这是个负离子，所以如果我们有这个负号，那么我们的分子实际上还有一个额外的电子。

麻省理工公开课 - 化学原理课程节选

Oh, I have worked on a couple of projects where the other person has not done much work.

哦，我参加过几个项目中而组员不怎么干活。

怎么协调意见冲突 - SpeakingMax英语口语达人

President Obama says crews have made progress in cleaning up the spill, but the job is not done.

VOA: special.2011.04.23

Notice this would be harvard would have had a field day with this melody if he-- Cole Porter--had not done one thing.

注意,这个旋律就足够哈佛忙活一阵了,如果科尔·波特没有做一件事的话

耶鲁公开课 - 聆听音乐课程节选

He remembered other old men whose sons had not done this, who had left without a goodbye.

VOA: special.2010.02.27

Now we're not done and of course we're out of time, so what are we going to do when we come back next week?

现在我们还没有讲完,我们没有时间了,那么下周上课我们要做些什么

耶鲁公开课 - 博弈论课程节选

and Afghan governments have not done a good job of communicating the real reason for troops being sent to Afghanistan.

VOA: standard.2009.11.09

It's not done in time for you to read but I think I will have it done at some time during this semester.

但现在还无法读到,因为还未完成,但是我想这学期会完成这本书

耶鲁公开课 - 金融市场课程节选

If he had not done that, I think none of the reforms which occurred in Eastern Europe would have taken place .

VOA: standard.2009.11.03

There will be no war in a couple of years uh..If you look at the stimulus package, the one thing it is not done is stimulating.

未来几年将不会有发战争财的机会,呃，如果你看刺激计划，它没有做到的一件事情就是刺激市场。

斯坦福公开课 - 经济学课程节选

I am not saying that Bernanke had not done a good job once the crisis was created.

VOA: standard.2010.01.24

And we frankly have not done that.

但是事实上我们没有做到这一点。

普林斯顿公开课 - 国际座谈会课程节选

He especially singled out the United States as a country that has not done its share to help reduce the effects of climate change.

VOA: standard.2009.12.16

And Jenner, because he was a trained physician, because he knew something about the scientific method, did something that these more ancient healers had not done in the past, was that he wrote down what he did.

而詹纳,因为他是个受过训练的医生,懂得一些科学方法,他做了那些古老的医生们没有做的事,就是记录了自己的所作所为

耶鲁公开课 - 生物医学工程探索课程节选

This is done in an ad hoc fashion. It is not done in a systematic way.

VOA: standard.2009.08.31

Now, again this isn't-- these things are not done with members of the KKK.

重申一次，这些实验-,实验对象不是三K党成员。

耶鲁公开课 - 心理学导论课程节选

They say South Korea has not done enough to open up key markets, especially in automobiles.

VOA: standard.2009.04.22

It's just that they have not done into the industry as of yet.

他们只是还没入行而已。

美国偶像 - SpeakingMax英语口语达人

Though he could sell his works - Mikhaiel has not done so,for now.

VOA: standard.2010.07.30

if the other person has ever done something or not done something.

对方是否做过某事。

Do you ever课堂 - SpeakingMax英语口语达人

The men were not fully told why they were being studied or what tests were being done to them.

VOA: special.2010.07.21

And if you could change the gene and make people not gay in the womb should have been done.

如果人们能够改变这种基因,让同性恋们在母体内就改变性取向,那么这种认定就应该进行。

普林斯顿公开课 - 人性课程节选

But more needs to be done. She says there currently are not enough programs to study bird numbers and behavior.

VOA: special.2009.05.12

Obviously, it's not going to be a question identical to something you've done, but it's going to cover that subject matter.

当然不会是你做过的,课后作业的题目，但是会涉及到相关内容。

麻省理工公开课 - 固态化学导论课程节选

And when the pruning is done in August, the lambs -- well, you might not want to know this part.

VOA: special.2009.07.14

So in Joshua 23:7-8: ; "Do not utter the names of their gods or swear by them; do not serve them or bow down to them, but hold fast to the Lord your God as you have done this day."

在《约书亚书》23章7到8节中：,他们的神，你们不可提他的名，不可指着他起誓;,也不可事奉，叩拜，只要照着你们到今日所行的，专靠耶和华你们的神“

耶鲁公开课 - 旧约导论课程节选

The guidelines urge doctors not to use other imaging methods like CT or MRI scans until they have done this.

VOA: special.2009.09.02

- But there's one potential gotcha here -- and this is where you have to be kind -- of piecing together the little clues along the way -- what have I done that's interesting here that had I not, I would have had a mathematical error?

但是这里有一个可能性-,这就是你需要把,一些线索拼凑在一起-,我这里所做的是很有趣的，如果我不这样做，我可能已经犯了个数学错误？

哈佛公开课 - 计算机科学课程节选

Were it not better done as others use, To sport with Amaryllis in the shade, ? Or with the tangles of Neaera's hair?

为何不像他人一样，在树荫下玩弄喇叭花，或是尼哀若的发卷？

耶鲁公开课 - 弥尔顿课程节选