be quick on the uptake
US /bi kwɪk ɑn ðə ˈʌpˌteɪk/
UK /bi kwɪk ɑn ðə ˈʌpˌteɪk/

1.
cepat tanggap, cepat mengerti
to be quick to understand or learn something
:
•
She's always been quick on the uptake, so she'll grasp the new software easily.
Dia selalu cepat tanggap, jadi dia akan memahami perangkat lunak baru dengan mudah.
•
You don't need to explain it twice; he's very quick on the uptake.
Kamu tidak perlu menjelaskan dua kali; dia sangat cepat tanggap.