to catch (on) fire
![to [catch] (on|) fire definition and meaning](https://cdn.langeek.co/photo/61052/original/?type=jpeg "to [catch] (on|) fire definition and meaning")
Collocation
例
The old barn caught fire and burned to the ground.
He accidentally spilled gasoline, causing the garage to catch on fire.
02
to quickly gain popularity or go viral
Slang例
Videos like this often catch fire within hours.
Her post caught fire after a celebrity shared it.
