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

1.
mulai, memulai
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.
Kita perlu mulai mencari solusi untuk masalah ini segera.
•
She set about organizing her new office.
Dia mulai mengatur kantor barunya.