Do is used when we refer to activities in general without being as specific.

Do 被用来泛指不具体活动。

Stuff is a very vague and nonspecific word.

stuff 是一个非常模糊且不具体词。

We also use stuff to talk about actions and jobs, and again, it's nonspecific.

我们也用 stuff 来谈和工作，同样，它也是不具体。

But I don't know the exact way.

但我不知道具体位置。

I'm not going to get the numbers, right?

我不知道具体数字是多少。

'In' is the least specific, as I described it.

正如我所描述，“in”是最不具体。

Just google it. I don't know the exact recipe.

谷歌搜索一下。我不知道具体食谱。

We didn't even get a death toll until this morning.

到今天早上止，我们甚至还不知道具体死亡人数。

The words themselves do not point to an exact, specific thing.

这些词本身不特指某个具体物。

Where 'at' is the most specific, 'on' is a little less specific, and 'in' is the least specific.

中“at”是最具体，“on”不太具体，“in”是最不具体。

I wrote a song, I don't remember the exact melody. I'll make it up now.

我写了一首歌，却不记得具体旋律了。我现在唱一唱试试。

That's all in the morning, so you don't commit to when exactly, but it's 'in'.

这些都是早上情，所以你不确定具体时间，所以你用“in”。

And those pamphlets also either provided specific or nonspecific recommendations for how to schedule an appointment and get the shot.

这些小册子也提供了具体或不具体建议，关于如何安排预约和注射。

And to be clear, the researchers aren't arguing for any specific intervention here.

需要明确是，研究人员并不支持任何具体干预措施。

You don't need to conclude your discussions with concrete or specific answers.

你不需要用确凿具体答案结束讨。

But they didn't know how. So they thought this might have happened in a drone strike.

但是当时他们并不清楚具体情况。他们认这可能是无人机袭击造成。

Sycamore was a major breakthrough, though many engineers disagree exactly how major.

Sycamore 是一项重大突破，尽管 许多工程师不同意具体重大程度。

Miss Sharma, you don't need to refer to a particular client.

夏尔马小姐 你不需要列举具体客人。

You what? -I can't give details.

什么? -我才不说具体呢。

How tall is he? Taller than me, but I don't know how tall he is either. No details, details.

他多高？比我高，不过我也不清楚他具体身高。具体。