"괜찮아"의 뜻은 "불편하지 않다" 즉 나는 상관없다( It's fine with me)라는 뜻입니다. 예문을 들어보면 1. 가기 싫으면 안 가도 괜찮아 ----> We don't have to go if you don't want. 2. 괜찬아? 너 어제 술 너무 마신것 같은데? ---> Are you ok?. It seemed like that you drank too much yesterday. If you have a question regarding that let me know.