我不知道这个团队用的是什么魔咒，但目前肯定不是个良咒。

I don't know what mojo is working with this team, but it's not a good one right now.

《柯林斯英汉双解大词典》

我不知道这个单词怎么发音。

I don't know how to pronounce this word.

youdao

我不知道这个浣熊家族是怎么进入那里的。

I didn't know how this raccoon family had got in there.

youdao

I wonder have any of you reflected on, I don't want to call it shadow side, is not domesticated.

不知道你们有没有人想过这个问题，我不想说这是自然的阴暗面，无法驯化的一面。

普林斯顿公开课 - 人性课程节选

But for me, I like to look at something and just say, "I like this. I don't really know why though."

但对我来说，我喜欢看着某个东西，然后说，“我喜欢这个。但我也不知道为什么。”

关于现代美术 - SpeakingMax英语口语达人

But if you say, well, I don't know how to do this, I am not going to bother, don't grade the paper.

但是如果你说，好吧，我不知道怎么做这个，我想麻烦，别给试卷评分。

麻省理工公开课 - 固态化学导论课程节选