还有一些我略知一二的节日有了更深一步地认识。

Some I know a few of the festival gained deeper understanding.

youdao

关于针灸和按摩，我略知一二。拔火罐是怎么回事？

I know a little about acupuncture and massage. What's cupping?

youdao

我对她略知一二。

I knew her slightly.

《牛津词典》

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

So I'm going to ask you to come at the New Testament,though, from the outside. If you feel like you know something about it, put those aside for the moment, because when we do the class we'll be trying to get you to see this document as if for the first time, to see early Christianity completely as if for the first time.

所以我要求你们客观地研究新约，如果你觉得你对它略知一二，就请先遗忘片刻，因为我希望你们上课阅读文本时,当做与其第一次接触，第一次接触早期基督教。

耶鲁公开课 - 新约课程节选