"lighthearted" in Chinese (Simplified)
轻松愉快的无忧无虑的
Definition
形容一种心情、人物或情境，愉快、轻松、不严肃。
Usage Notes (Chinese (Simplified))
多用在非正式、积极氛围中。常与‘语气’、‘对话’、‘电影’等搭配。不要用于非常严肃的场合。不要与“carefree”（完全无忧）或“funny”（有趣/好笑）混淆。
Examples
The party had a lighthearted atmosphere.
聚会有一种**轻松愉快的**氛围。
She always tells lighthearted stories to make us smile.
她总是讲一些**轻松愉快的**故事让我们微笑。
The movie was funny and lighthearted.
这部电影很有趣，也很**轻松愉快**。
We enjoyed a lighthearted conversation during lunch.
我们午餐时进行了**轻松愉快的**聊天。
His lighthearted joke made everyone laugh, even the boss.
他那个**轻松愉快的**玩笑让大家都笑了，连老板也笑了。
Sometimes a lighthearted approach works better than being too serious.
有时候，**轻松愉快的**方式比太过严肃更有效。