특별한 관심이나 걱정 없이 무심하고 태연하게 행동하는 모양.
In a casually calm and relaxed manner, often suggesting a lack of interest or concern.
예문:
"He nonchalantly tossed the keys onto the table as if he had not just arrived home late."
"She nonchalantly checked her watch while the manager was giving a serious lecture."
"The witness nonchalantly answered the prosecutor's aggressive questions."