名词
中文翻译：盟约
同义词：
['pact', 'agreement', 'treaty']
例句：
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1.They made a covenant to never speak of the past again.
他们立下誓言，永不提起过去的事。
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2. The covenant was broken when he broke his promise.
他违背了承诺，打破了契约。
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3. After signing the covenant, they were free from any legal troubles.
签署契约后，他们摆脱了任何法律问题。