Leaving smartphones I-don 't-know-where happens all the time.

把智能手机丢在任何地方都有可能。

youdao

I can't find my hat. I don 't know where I put it.

我找不到我的帽子。我不知道我把它放在哪了。

youdao

I don 't know where they are marching to.

我不知道他们徒步去哪里。

youdao

"There's a lot of sketching that goes on,and a lot of times I don't know where things are going to fit in the texture.

VOA: special.2010.07.12

I don't know where any one of them is, but I can tell you on average where any one of them is likely to be.

我不知道它们中单独的个体在哪，但我可以大体告诉你,它们其中一个将是会怎样。

麻省理工公开课 - 固态化学导论课程节选

And you've asked several people on the street . "I just can't get there! I don't know where I'm going!" and

你在街边向几个行人问路。“我没法找到目的地了，我不知道该怎么走！”

How long课堂 - SpeakingMax英语口语达人

"No, since I'm in an area where I don't know where the enemy could be, from when I get on the airplane 'til I get off the airplane, I'm thinking the same way, " Maj.

CNN: Refueling 500 feet over Iraq 'keeps you on your toes'

"I really don't want to, but I don't know where we're going to get jobs at, " she says.

NPR: Casinos' Destruction Leaves Thousands Jobless

I've got in mind a figure of 6 years, but I don't know where I've got that from.

BBC: Money Box - Saturday 30 December 2000