Lightheartedness
n. 自由自在, 无忧无虑
🗣️ 情景例句
They're still open?
他们现在还开着吗？
Care brings grey hair.
忧虑催人老。
Sparks were emitted from small black boxes and red lamps flashed on and off angrily.
小黑盒子里迸出火花，红色灯泡发怒似地忽明忽暗。