你是否不知道把钥匙放到哪里去了，是否摇摆于工作与网络之间，是否在和别人谈话时心不在焉？

You misplace your keys, waver between work assignments and YouTube, and daydream during conversations.

youdao

我不知道这是否是我拥有过的最好的团队，但我可以这么告诉你，他们是非常棒的合作伙伴。

I don't know if it's the best team I've ever had, but I can tell you this much, they're incredible people to be around.

《柯林斯英汉双解大词典》

我不知道你是否记得在地铁站的那一幕。

I don't know if you remember, there was a scene in a subway station.

youdao

You also don't know that they'll give them to the equity owners they won't squander in the future.

你也不知道,他们是否能够兑现股票持有者,它们不会挥霍未来。

耶鲁公开课 - 金融市场课程节选

I don't know if you know this, but for a long time when movies took place in New York,

我不清楚你是否知道，很长一段时间，电影里发生在纽约的场景，

电影里的中央车站 - SpeakingMax英语口语达人

If you are trying to model, I don't know, the efficacy of a particular drug, these are the baby-steps that you will go through.

是否你正在试图创建模型，我不知道，一种特殊药品的功效，你们要经过一些入门步骤。

麻省理工公开课 - 固态化学导论课程节选