I don't know how long my crying jag lasted.

我不知道我一阵大哭持续了多久。

《柯林斯英汉双解大词典》

"But how long can you stay in the house?"—"I don't know. It depends."

“但你能在这屋里待多久？” — “不知道，这要看情况而定。”

《柯林斯英汉双解大词典》

It won't be long before we know the result of the experiment.

不久之后，我们就会知道实验的结果。

youdao

As long as I paid my medical school fees every year, my family would never know I wasn't attending any classes.

VOA: special.2009.07.18

So if I call, let's , let's set up s to be, I don't know, some big long list.

那让我们来调用一次吧，让我们建立一个，怎么说。

麻省理工公开课 - 计算机科学及编程导论课程节选

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

You should know how long key employees have been in their roles and know how long they want to stay there.

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So, we don't know how the long-term use of benzodiazepines changes the brain, nor do we know how long it would take for all effects of these medications to go away.

CNN: What are the long-term brain effects of Xanax?

Those with a long memory know that the Japanese were originally known after World War II for their exports of so-called dollar blouses.

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