Tom, daha yeni anlamaya başlıyor.
- Tom is just beginning to catch on.
Ben bir yabancı olduğum için, şakayı anlayamadım.
- Being a foreigner, I couldn't catch on to the joke.
He didn't have to explain; I caught on right away.
It's a crummy idea, and I certainly hope it does not catch on.
... things, would you advise it? Will it catch on? ...