English idioms are the most widespread and the most expressive part in the English language with the richest cultural connotation. English idioms associated with the Biblical characters have not only the general idiom characteristics of unity, idiomatlcity and stability, but also their own unique features of singleness of external structure, stability of internal structure and duality of semantic structure. The paper tries to summarize the unique structural features which may provide some information and help for the further study and research of similar English idioms.%英语习语是英语语言的精华，又是英语语言文化的载体。源于《圣经》人物的英语习语不仅具备整体性、习用性和稳定性等英语习语的普遍特征，还有其独特的个性特征，即外在结构单一、内在结构稳定和语义结构双重。研究源于《圣经》人物的英语习语的结构特征，有益于学习了解此类习语的文化内涵。
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