这事曾经耳闻，详细情况不很清楚。

I've heard about it, but I don't know the details.

《新英汉大辞典》

她是什么意思我并不很清楚。

It wasn't very clear what she mind.

youdao

比如，如果我要在一个频道中使用标签，它的含义就不很清楚。

For example, if I wanted to use the tag in a channel, it would be unclear what it meant.

youdao

Milton's infusing this passage with a powerful sense of -- I don't know, what can we call it? -- of gender nonconformity and cultural relativity.

弥尔顿在这段中注入了一个很强烈的思想，我也不清楚，我们怎么叫这种思想呢？这种性别的不一致和文化的相对性。

耶鲁公开课 - 弥尔顿课程节选

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

If you're wondering what's OK or what's not OK, it's very clearly written out in this handout, so make sure you read through it, because it is your responsibility to make sure that your calculator does not have anything extra programmed in it.

如果你不清楚什么可以什么不可以，讲义上写得很清楚，所以请大家务必看完它，因为你有义务保证,在自己的计算器里,没有编上额外的程序。

麻省理工公开课 - 化学原理课程节选