What does "catch on" mean?

To understand or become popular To grasp the meaning or for something to become trendy.

How do you use "catch on" in a sentence?

He's slow to catch on. The trend is catching on. She caught on quickly.

Phrasal Verb BritishAmericanAustralian ★★★★☆ Common Neutral

Meaning: To understand or become popular

理解、流行起来

Entender o ponerse de moda

理解する、流行する

이해하다, 유행하다

To grasp the meaning or for something to become trendy.

领会意思，或某事变得流行。

Captar el significado o que algo se ponga de moda.

意味をつかむこと、または何かが流行すること。

의미를 파악하거나, 무언가가 유행하게 되다.

Base verb: catch

Particle: on

Separable: No — the verb and particle stay together

He's slow to catch on.
他理解得很慢
Le cuesta pillar las cosas
彼は理解が遅い
그는 이해가 느리다
The trend is catching on.
这个趋势正在流行
La tendencia se está extendiendo
そのトレンドは広まっている
그 트렌드가 퍼지고 있다
She caught on quickly.
她很快就明白了
Ella lo pilló rápido
彼女はすぐに理解した
그녀는 금방 이해했다

Context: understanding, trends, comprehension

Tone: informal

From catching or grasping something.

Era: Modern

Generation: All ages

Social background: Universal