寡人的英文：
(the sovereign) I; the royal

There is no European sovereign to emit European sovereign bonds.
目前不存在一个主权实体可以发行欧洲主权债券。

Having supreme authority;sovereign.
最高权力的，至尊的有至高无上的权力的；最高的

Morocco is a sovereign independent monarchy.
摩洛哥是个有主权而独立的君主国。

This is the only and sovereign agent.
这是唯一的，至高无上的起因。

a male member of a royal family other than the sovereign (especially the son of a sovereign).
不同于君主的王室男性成员（尤其指君主的儿子）。

There is no royal road to Rome
学问无坦途

There is no royal road to learning.
求学无坦途。

There is no royal road to learning
求学无捷径

There is a royal proclamation of the birth of the prince
那有一张王室的公告，宣告王子诞生了。

They are members of the Royal family.
他们是皇家成员。