pick up on
US /pɪk ʌp ɑːn/
UK /pɪk ʌp ɑːn/

1.
2.
entender, assimilar
to understand something after it has been explained or demonstrated
:
•
It took him a while to pick up on the new software.
Demorou um pouco para ele pegar o jeito do novo software.
•
The students quickly picked up on the new grammar rules.
Os alunos rapidamente assimilaram as novas regras gramaticais.