curl up
US /kɜːrl ˈʌp/
UK /kɜːrl ˈʌp/

1.
se encolher, se aconchegar
to sit or lie in a position with your arms and legs close to your body
:
•
She likes to curl up on the sofa with a good book.
Ela gosta de se encolher no sofá com um bom livro.
•
The cat curled up in a ball on the rug.
O gato se encolheu em uma bola no tapete.
2.
enrolar-se, curvar-se
if something such as paper or a leaf curls up, its edges bend inwards
:
•
The old photographs had started to curl up at the edges.
As fotografias antigas começaram a enrolar-se nas bordas.
•
The heat made the leaves curl up and turn brown.
O calor fez as folhas enrolarem-se e ficarem marrons.