A preemptive strike against a sovereign nation raises moral and legal issues.

对一个主权国家进行先发制人的攻击会引起道德和法律上的争议。

《柯林斯英汉双解大词典》

A small but vocal group of Hawaiians and environmentalists have long viewed their presence as disrespect for sacred land and a painful reminder of the occupation of what was once a sovereign nation.

一群规模不大但积极发声的夏威夷人和环境保护主义者长期以来一直把这些（望远镜）的存在视作对圣地的不敬，以及勾起他们对曾经主权国家被占领的沉痛回忆的事物。

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It's a sovereign nation.

它可是个主权国家。

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"Iraq is a sovereign nation which is conducting its own foreign policy, " he said.

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But now, the social media corporation has their first official support from a sovereign nation: Thailand.

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This drive will ultimately take away any fiscal policy levers a sovereign nation has.

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