know a little about

基本解释

Don't you want to know a little about them before you makeyour decision?
难到你不想在决定前，知道更多的关于他们两个人的情况吗？
Now that you know a little about SCA and how you find and invoke services, you need to understand how the data used in the invocation is represented.
既然您对 SCA 以及如何查找和调用服务有一定的了解，您就需要了解调用中使用的数据是如何表示的。
Finally, some times you just need to know a little about a package.
最后，有时你只是想知道一点关于某个包的一点信息。

Oh,you think so. I know a little about that.
Again, I'm just trying to highlight things you already know a little bit about, the book describes the details.
这里我也只是,强调一些你可能已略知一二的知识,你们教材里面有相关的细节
耶鲁公开课 - 生物医学工程探索课程节选
What I want to do today is three things: I'm going to start-- actually, I shouldn't say start, I'm going to do a little bit of administrivia, the kinds of things you need to know about how we're going to run the course.
今天我要做三件事儿：,我要开始了--其实不应该说开始，我准备做一点儿文案工作，也就是关于怎么上课的,一些你们必须知道的东西。
麻省理工公开课 - 计算机科学及编程导论课程节选

Reps want to use social interactions and social connections to let prospects know a little about themselves.
FORBES: Social Media is a Key Financial Marketing Tool for the Future -- Just Comply!