I just wanted to know if everything was all right.

我只是想知道是否一切都好。

《牛津词典》

I didn't know I'd have to make a speech—I just had to wing it.

我不知道还得讲话，只好想到什么就说点什么。

《牛津词典》

I want him back, but I just don't know how to go about it.

我希望他回来，可我就是不知道怎么去做这件事。

《柯林斯英汉双解大词典》

Just when I tell you to go, you leave me. You know you can't leave a schoolroom without raising your hand, no matter where you're going."

VOA: special.2009.07.19

If I know about the states involved, I just need to know what the volume was in each of them.

我们并不需要知道一条特定过程的路径，如果我们知道所涉及的态,我仅仅需要知道这些态的体积。

麻省理工公开课 - 热力学与动力学课程节选

So I just want, you know, I feel like that experience would be enriched if I, you know, learned the language.

我始终觉得，如果我会韩语的话，我在韩国的经历会更加丰富。

学习外语的原因 - SpeakingMax英语口语达人

Because I thought was I just being made a fool of, and the third time I just wanted to know whether I was I going to be in there and come out in my coffin.

BBC: Grim reality of the NHS

Whatever the answer is, I just know that I freaking love statistics.

FORBES: Are Obama Voters Smarter Than Romney Voters?

When I go to practice, I just know if I see Brittney, it makes our practice because she's just that kind of kid.

NPR: Griner, No. 1 Baylor Women Beat WVU 80-49