I couldn't care less

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

tidak peduli langsung, tidak kisah

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 kereta barunya, tetapi saya tidak peduli langsung.
Whether they come or not, I couldn't care less.
Sama ada mereka datang atau tidak, saya tidak peduli langsung.