cotton on

US /ˈkɑːt.ən ɑːn/
UK /ˈkɑːt.ən ɑːn/
"cotton on" picture
1.

memahami, mengerti

to understand something after a period of not understanding it

:
It took him a while to cotton on to what I was saying.
Dia mengambil sedikit masa untuk memahami apa yang saya katakan.
She finally cottoned on to the joke.
Dia akhirnya memahami jenaka itu.