pick up on

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

bemerken, mitbekommen

to notice or become aware of something

:
She was quick to pick up on his nervousness.
Sie war schnell dabei, seine Nervosität zu bemerken.
Did you pick up on any strange vibes from the new neighbor?
Hast du irgendwelche seltsamen Schwingungen vom neuen Nachbarn aufgeschnappt?
2.

verstehen, begreifen

to understand something after it has been explained or demonstrated

:
It took him a while to pick up on the new software.
Es dauerte eine Weile, bis er die neue Software verstand.
The students quickly picked up on the new grammar rules.
Die Schüler verstanden die neuen Grammatikregeln schnell.