Meaning trap
catch on
understand
To begin to understand something, especially after not understanding at first.
Don't mix these meanings
Same phrase, different job.
To begin to understand something, especially after not understanding at first.
Another meaning of 'catch on' is 'become popular'; compare the examples to keep the meanings separate.
Hear it in context
Notice where the phrase sounds natural.
- It took me a while to catch on, but now I understand how the system works.study
- At first, I found the instructions confusing, but I caught on after watching a few videos.IELTS speaking
Fix the pattern
Pattern: catch on (to [something])
WrongShe didn't catch on the joke.
RightShe didn't catch on to the joke. / She didn't catch on.
'Catch on TO something', or 'catch on' alone — don't drop 'to' before the thing.
Patterncatch on (to [something])
Use it right
Choose the version that sounds natural in speech.
'Catch on' is the casual verb for finally getting it; 'comprehend' is formal.
Build natural chunks
Words that usually travel with it.
catch on (to)quicklyto the jokefasteventually
Don't confuse it
'Catch on' (understand) is about finally understanding, not about becoming popular.
Related
- catch on (become popular) — Another meaning of 'catch on' is 'become popular'; compare the examples to keep the meanings separate.