get up to

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

搞, 做

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

:
What have you been getting up to?
你最近在搞什么
The children are always getting up to mischief.
孩子们总是捣蛋