So it's a useful way of not quite knowing in advance what you want to put in a string, but being able to create strings, phrases, sentences, dynamically.

这是一个很有用的方法，如果你之前不是很了解,在句子中要加入什么，但是这个方法可以,动态地创建字符串，短语，句子。

哈佛公开课 - 计算机科学课程节选

and so there are some products where... at least, as far as, I don't know this field very well,

所以有的产品……至少，我对这个领域不是很了解，

广告和价格的关系 - SpeakingMax英语口语达人

This is exactly where I don't really know the details, but I take it it's something like: because of whatever the original input was, eventually the blood's no longer circulating and oxygen isn't making its way around the body.

事实上我对这方面不是很了解,我只能认为是,不论最初的死亡原因是什么,最后血液不再流动,氧气不能输送到全身

耶鲁公开课 - 死亡课程节选

Actually, this is my first Earth Day and I don't know that much about it.

实际上这是我过的第一个地球日，我并不是很了解。

关于世界地球日 - SpeakingMax英语口语达人

I've never been lost in a Bermuda triangle, and I don't really know, so.

我从来没在百慕大三角失踪，所以不是很了解这些。

百慕大出身 - SpeakingMax英语口语达人

I just happened, while I was a graduate student at Oxford University, to meet somebody who is vegetarian and start talking to him about the way we treat animals which I really didn't know much about.

那时我还在牛津攻读硕士研究生,偶然遇到了一个素食者,我们聊到人类是怎样对待动物的,当时我的确不是很了解。

普林斯顿公开课 - 人性课程节选

People ask all the time, but I don't really understand.

虽然总有人问起，但我确实不是很了解。

百慕大出身 - SpeakingMax英语口语达人

Actually, I don't know that much about Bermuda Triangle.

其实我不是很了解百慕大三角。

百慕大出身 - SpeakingMax英语口语达人