blend in
US /blend ɪn/
UK /blend ɪn/

1.
mezclarse, camuflarse
to look similar to the other people or things around you so that you are not easily noticed
:
•
He tried to blend in with the local crowd.
Intentó mezclarse con la multitud local.
•
The chameleon can change its color to blend in with its surroundings.
El camaleón puede cambiar su color para camuflarse con su entorno.