"These kids deserve it, even if I don't, which I don't care if I do or not.

VOA: standard.2009.12.24

We can't help understanding. We always already understand, which has nothing to do again with whether or not we're right or wrong.

我们控制不住地去理解，我们总是已经理解了，这与对错无关。

耶鲁公开课 - 文学理论导论课程节选

Or perhaps, you could be trying to explain that you don't know whether you can do something or not by a certain date.

又或者，你正在试图解释你没法确定你是否能在一个指定日期前做完某件事。

I don't know 课堂 - SpeakingMax英语口语达人

Did they do things that they shouldn't have done, or did they not do things that they should have done?

CNN: STORY HIGHLIGHTS

But there's some marketing things we don't do, we're not reaching out to the fan the way golf or a lot of other sports do, so we've got our work cut out for us -- but that doesn't mean it can't turn around.

CNN: John McEnroe: 'Attila the Hun' of tennis

It is vitally important, because misfolded proteins either do not work at all or do things that they shouldn't.

ECONOMIST: What video-game technology can do in the real world