是快乐用英文怎么说呢

"Happiness" 是快乐的英文翻译。

Happiness 源自中世纪拉丁文 "fepcitatem," 这个词的意思是 "幸福、高兴或平安"。在古拉丁文中，fepcitatem 是由 "fepx" 和 "itas" 组成的，"fepx" 的意思是 "幸运的"，"itas" 的意思是 "状态或性质"。

下面是一些使用 happiness 的例句：

She was filled with happiness when she received the good news. 她收到好消息时高兴极了。
He finds happiness in spending time with his family. 他在与家人在一起时感到快乐。
The pursuit of happiness is a fundamental right. 追求幸福是一项基本权利。