the nuts and bolts
US /ðə nʌts ənd boʊlts/
UK /ðə nʌts ənd boʊlts/

1.
detail-detail penting, seluk-beluk, dasarnya
the basic practical details of a subject or activity
:
•
Let's get down to the nuts and bolts of the project.
Mari kita bahas detail-detail penting proyek ini.
•
He understands the nuts and bolts of how a car works.
Dia memahami seluk-beluk cara kerja mobil.