各位好，請教一下
在辭典看到以下例句：
I caught on to what it was the guy was saying.
https://en.oxforddictionaries.com/definition/catch_on
我的想法：
a. I caught on to (something).
b. it was what the guy was saying.

有點太囉嗦了中文翻譯就是我終於了解那傢伙所說的是怎麼一回事了其實就把握一個原則，句子主結構劃分好。其餘都是後面修飾前面