pick up on

US /pɪk ʌp ɑːn/
UK /pɪk ʌp ɑːn/
"pick up on" picture
1.

remarquer, percevoir

to notice or become aware of something

:
She was quick to pick up on his nervousness.
Elle a vite remarqué sa nervosité.
Did you pick up on any strange vibes from the new neighbor?
As-tu perçu des ondes étranges de la part du nouveau voisin ?
2.

comprendre, assimiler

to understand something after it has been explained or demonstrated

:
It took him a while to pick up on the new software.
Il lui a fallu un certain temps pour comprendre le nouveau logiciel.
The students quickly picked up on the new grammar rules.
Les étudiants ont rapidement assimilé les nouvelles règles de grammaire.