catch on

verb

The new dance move is starting to catch on.

意味（1）

(intransitive, idiomatic) To begin to understand; to realize.

He didn't have to explain; I caught on right away.

意味（2）

(intransitive, idiomatic) To become popular; to become commonplace; to become the standard.

It's a crummy idea, and I certainly hope it does not catch on.

意味（3）

(intransitive, New England, dated, of food) To become stuck to the cooking vessel; to brown or burn slightly.

They waited for the pot roast to "catch on," sticking to the pot just enough to brown