set about
US /set əˈbaʊt/
UK /set əˈbaʊt/

1.
empezar a, ponerse a
to start doing something, especially something that requires a lot of effort or planning
:
•
We need to set about finding a solution to this problem immediately.
Necesitamos empezar a buscar una solución a este problema de inmediato.
•
She set about organizing her new office.
Ella se puso a organizar su nueva oficina.