I couldn't care less

US /aɪ ˈkʊdnt kɛr lɛs/
UK /aɪ ˈkʊdnt kɛr lɛs/
"I couldn't care less" picture
1.

tidak peduli sama sekali, masa bodoh

used to express that one does not care at all about something

:
He was complaining about his new car, but I couldn't care less.
Dia mengeluh tentang mobil barunya, tapi aku tidak peduli sama sekali.
Whether they come or not, I couldn't care less.
Apakah mereka datang atau tidak, aku tidak peduli sama sekali.