I must know something about him.

我必须了解一下他。

youdao

After her! I must know who she is!

快点追她！我一定要知道她是谁。

youdao

I must know your opinion. Do you agree with me?

我必须知道你的意见。你同意我的意见吗？

youdao

I know there is a longer journey that must be traveled to overcome decades of mistrust.

VOA: standard.2009.04.17

Because I stand up here and I talk about the one or more than one thing I know about and so it's easy to infer that I must know a lot but in fact by the time this semester ends I will have tell you told you everything I know.

因为我站在讲台上,我给你们讲我知道的知识,所以你们很轻易就推断出我一定懂很多,但其实到了学期末，我要告诉你们,我会的都已经教给你们了。

耶鲁公开课 - 心理学导论课程节选

He says, "I believe in the practice and philosophy of what we have agreed to call magic, in what I must call the evocation of spirits, though I do not know what they are."

他说我相信我们所称作的,关于魔法的实践和哲学，我认为那是对灵魂的召唤，尽管我并不知道它们是什么“

耶鲁公开课 - 现代诗歌课程节选

It must go when the attack starts and I must know it is gone.

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For starters, I know it must be disconcerting to be a musician these days.

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So our oldest daughter said to him, daddy, I must say, you know, you always tell us to be strong, you know, and be positive and, you know, think of good thoughts and be thankful for what we have already.

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