To make an unbreakable and enduring pledge, as solid and lasting as mountains and rivers, often concerning a legacy or status that will persist indefinitely.
先辈们为了家族的荣誉，曾立下砺岳盟河般的誓言，世代传承着勤劳与正直的家风。
Our ancestors, for the honor of the family, once made a pledge as enduring as mountains and rivers, passing down a tradition of diligence and integrity through generations.
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