muck about

US /mʌk əˈbaʊt/
UK /mʌk əˈbaʊt/
"muck about" picture
1.

brincar, perder tempo

to spend time doing silly or unimportant things

:
Stop mucking about and get your work done.
Pare de brincar e faça seu trabalho.
The kids were mucking about in the garden.
As crianças estavam brincando no jardim.