불안이나 열의를 보이지 않고 태연하거나 무심한 태도를 보이는.
Feeling or appearing casually calm and relaxed, often in a way that suggests a lack of interest or concern.
예문:
"Despite the chaos surrounding him, he maintained a nonchalant attitude as if nothing was wrong."
"She gave a nonchalant shrug when asked about her promotion, pretending it wasn't a big deal."
"His nonchalant approach to the exam worried his parents, who knew how important the results were."