cotton on
US /ˈkɑːt.ən ɑːn/
UK /ˈkɑːt.ən ɑːn/

1.
فهم, استوعب
to understand something after a period of not understanding it
:
•
It took him a while to cotton on to what I was saying.
استغرق الأمر بعض الوقت حتى فهم ما كنت أقوله.
•
She finally cottoned on to the joke.
لقد فهمت النكتة أخيراً.