get up to
US /ɡet ʌp tuː/
UK /ɡet ʌp tuː/

1.
hacer, estar haciendo
to be busy with something, especially something that other people might not approve of
:
•
What have you been getting up to?
¿Qué has estado haciendo?
•
The children are always getting up to mischief.
Los niños siempre están haciendo travesuras.