clueless
🇺🇸
/ˈkluːləs/
🇬🇧
/ˈkluːləs/
not having any idea or understanding about something
I was clueless about the new technology at first, but I learned quickly.
처음에는 새로운 기술에 대해 전혀 몰랐지만, 빠르게 배웠습니다.