nonchalance
🇺🇸
/ˌnɑːnʃəˈlɑːns/
🇬🇧
/ˈnɒnʃələns/
When someone is calm and does not seem worried or eager.
She answered the questions with nonchalance, looking completely relaxed.
她回答問題時表現得非常放鬆,看起來非常鎮定。