catch on (2)
This page is about the phrasal verb catch on (2)
If you catch on, you suddenly understand something that you couldn't understand at first.
cotton on (informal), twig (informal)
- catch on Not all of my students understood the idea at first, but before long they all caught on.
- catch on Most scientists now accept that global warming is really happening, but it took a while for a lot of them to catch on.
It took a while for Sandra to catch on, but at last she
Contributor: Matt Errey