I knew I should not do that.

我知道我不应该那样做。

youdao

Response: He stated that I should not do this unless I wanted to go to a FX body.

答复：他说，我不应该这样做，除非我想要去外汇的机构。

youdao

I spend my time on things that are most important. This means I say no to things I know I should not do.

我在重要的事情上花时间，不该做的事，我勇于说不。

youdao

I do not know why I should fear death.

VOA: special.2010.07.10

So I did not do any counting up here, you should make sure you do counting, I apologize.

这里我没有算，你们应该保证你们算了，我这里要道歉。

麻省理工公开课 - 化学原理课程节选

I'm not sure what I should do.

我不知道我该怎么做。

I'm sure 实战 - SpeakingMax英语口语达人

As much as I would love to tackle a few subjects that they tell me never to talk about, I should not do that in the last briefing I have.

WHITEHOUSE: Press Briefing

But I should be careful I do not give the wrong picture here.

BBC: African viewpoint: Too proud to be rich?

Once I see the workout on my calendar, it is not something I should do, or even have to do.

CNN: The key to fitness? Schedule it in