get up to

US /ɡet ʌp tuː/
UK /ɡet ʌp tuː/
"get up to" picture
1.

faire, manigancer

to be busy with something, especially something that other people might not approve of

:
What have you been getting up to?
Qu'est-ce que tu as fait?
The children are always getting up to mischief.
Les enfants font toujours des bêtises.