“轻松愉快”常见的英文表达有 relaxed and happy、carefree and joyful、lighthearted（形容词形式，可单独使用表达“轻松愉快的”状态） 。以下为具体示例：
relaxed and happy：
We had a relaxed and happy time at the beach yesterday.（昨天我们在海滩上度过了一段轻松愉快的时光。）
carefree and joyful：
Their childhood was filled with carefree and joyful moments.（他们的童年充满了轻松愉快的时刻。）
lighthearted：
The atmosphere at the party was lighthearted and fun.（聚会上气氛轻松愉快，很有趣 。）