lackadaisical
🇺🇸
/ˌlækəˈdeɪzɪkl/
🇬🇧
/ˌlækəˈdeɪzɪkl/
not really interested or enthusiastic
His lackadaisical attitude during practice made the coach upset.
연습 중에 그의 태평스러운 태도가 코치를 화나게 했다.