名词
中文翻译：誓言之敌
同义词：
['unrelenting enemy', 'unyielding foe例句：1. He was a man who had been a sworn enemy to the government.（他是一位与政府势不两立的人。）']
例句：
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1. He was a man who had been a sworn enemy to the government.
他是一位与政府势不两立的人。
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2.The two countries have been at war for decades, with each other being their sworn enemies.
这两个国家已经交战了几十年，彼此都是对方的誓言之敌。
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3. In his youth, he was a sworn enemy of all those who opposed him.
在他的青年时期，他是所有反对他的人中的誓言之敌。