欢喜如初的英语怎么说呢

这个词可以用 "blissful" 来表达。它来源于拉丁语，意思是 "极度快乐"。下面是几个例句：
She felt blissful when she saw her newborn baby.
她看到新生儿时感到欢喜如初。
The couple were blissful on their honeymoon.
这对夫妻在蜜月期间欢喜如初。
The weather was perfect and we spent the day in blissful relaxation.
天气很好，我们欢喜如初地度过了一天。