短语 to get a handle on something 的意思是理解、掌握某事。

例句

I used to be terrible at maths but after lots of hard work, I think I've got a handle on it now.

If I could just get a handle on this new project at work, I'm sure the boss would give me a pay rise.

请注意

在遇到一件棘手的事或难对付的人时我们可以说此人或事 too hot to handle.

The presenter found it very difficult to interview the film star. He was too hot to handle, and didn't want to answer any questions.