One of the perhaps easiest ones to put your finger on is what if the computer is out of memory?

一个可能的情况是,计算机的内存不足？

哈佛公开课 - 计算机科学课程节选

But you can't put your finger on what the source of that confrontation was.

但是你还是搞不明白为什么她老是要跟你对着干。

I don't know 课堂 - SpeakingMax英语口语达人

Correctness just doesn't do what it's supposed to do but then also design and design is one of those things it's a little harder to put your finger on initially, but it really is something to bear in mind especially toward terms end when you tackle your own final projects.

正确性“，就是有没有做应该做事情,然后是“设计“,刚开始时，“设计“相对来说比较难一点,但是这是直到这个学期末,都要记住的东西,当你处理的自己的最终方案时。

哈佛公开课 - 计算机科学课程节选

But you're not sure what it is, you can't put your finger on it.

你不清楚那是什么，你不能确定。

What kind of 课堂 - SpeakingMax英语口语达人