名词中文翻译
中文翻译：誓言之友
同义词：
['true friend', 'faithful friend']
例句：
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1.He has a sworn friend who helps him with his studies every weekend.
他有一个忠实的朋友，每个周末都帮助他学习。
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2. She was surprised to find that her sworn friend had betrayed her.
她惊讶地发现她的忠实朋友背叛了她。
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3. They have been sworn friends for over twenty years and are still close even though they live in different cities.
他们作为誓言之友已经相处了二十多年，即使他们生活在不同城市，关系仍然亲密。