我似乎已经将自己卷入了我不了解的事情当中。

I seem to have involved myself in something I don't understand.

《柯林斯英汉双解大词典》

对于你不了解的事情，你最好不要发表评论。

You'd better not make remarks about things that you don't know at all.

youdao

关于热带雨林，我们还有很多不了解的地方。

There is a lot that we have not learnt about rainforests.

youdao

Specifically, what is it that American companies that, both then and now, still don't understand about China that you think you do and they don't?

美国公司对于中国的互联网行业，始终不甚了解,能否谈谈一些你知道而别人不知道的原因？

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And also had blind evaluators-- people who didn't know which condition they were in, evaluate how they were walking.

还找来盲测员-,那些不了解情况的人，评估他们的走路。

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Now the word theory has a very complicated etymological history that I won't trouble you with.

理论这个词的词源非常复杂,你们不需要了解。

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