the nuts and bolts

US /ðə nʌts ənd boʊlts/
UK /ðə nʌts ənd boʊlts/
"the nuts and bolts" picture
1.

perkara-perkara asas, butiran penting, selok-belok

the basic practical details of a subject or activity

:
Let's get down to the nuts and bolts of the project.
Mari kita bincangkan perkara-perkara asas projek ini.
He understands the nuts and bolts of how a car works.
Dia memahami asas-asas bagaimana kereta berfungsi.