latch on
US /lætʃ ɑːn/
UK /lætʃ ɑːn/

1.
entender, compreender
to understand something completely
:
•
It took him a while to latch on to the new concept.
Demorou um pouco para ele entender o novo conceito.
•
The students quickly latched on to the teacher's instructions.
Os alunos rapidamente entenderam as instruções do professor.