短语 to get a handle on something 的意思是理解、学会某事。
例句
I used to be terrible at maths but after lots of hard work, I think Ive got a handle on it now.
If I could just get a handle on this new project at work, Im sure the boss would give me a pay rise.
请注意
在遇见一件棘手的事或难应对的人时大家可以说此人或事 too hot to handle.
The presenter1 found it very difficult to interview the film star. He was too hot to handle, and didnt want to answer any questions.