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

Do 被用来泛指不具体的活动。

Stuff is a very vague and nonspecific word.

stuff 是一个非常模糊且不具体的词。

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

我们也用 stuff 来谈论行为和工作，同样，它也是不具体的。

But I don't know the exact way.

但我不知道具体的位置。

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

我不知道具体的数字是多少。

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

正如我所描述的，“in”是不具体的。

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

谷歌搜索一下。我不知道具体的食谱。

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

到今天早上为止，我们甚至还不知道具体的死亡人数。

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

这些词本身不特指某个具体的事物。

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

中“at”是具体的，“on”不太具体，“in”是不具体的。

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

我写一首歌，却不记得具体的。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'.

这些都是早上的事情，所以你不确定具体的时间，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.

这些小册子也提供具体或不具体的建议，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.

需要明确的是，研究人员并不支持任何具体的干预措施。

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

你不需要用确凿具体的答案结束讨论。

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的情况。他们认为这可能是无人机袭击造成的。

The circumstances of the incident are still unclear as Ian McWilliam reports.

据伊恩·麦克威廉报道，目前仍不清楚事件的具体情况。

I laughed, but I no longer remember what it was about.

我笑，但我已经不记得具体的内容。

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的重大程度。

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

夏尔马小姐 你不需要列举具体的客人。