"美满"用英语可以表示为"happy"或"fulfilled"。"happy"源自古英语"hap"，意思是"幸运"或"适意"。"fulfilled"源自古英语"fulfilled"，意思是"完成"或"满足"。下面是一些例句：

She felt happy and fulfilled after completing her project.

她在完成项目后感到美满。

The family was happy and fulfilled spending time together on the weekend.

这个家庭周末在一起度过时光感到美满。

He was happy and fulfilled after achieving his goals.

他在实现目标后感到美满。