Lightheartedness
n. 自由自在, 无忧无虑
🗣️ 情景例句
But you may rest assured that the payment is guaranteed.
但是你尽可以放心，我们的付款是有保障的。
Thank you for inviting us; we had a wonderful time.
谢谢您的邀请，使我们过得很快乐。
The response to this competition was tremendous.
这次竞赛在听众中引起极其热烈的反响。