As a language and literature expert with a deep understanding of metaphorical language and its use in literature, I can confidently address the question of whether the phrase "no man is an island" is a metaphor.

English Answer:
Yes, "no man is an island" is indeed a metaphor. This metaphor is used to convey the idea that individuals are not self-sufficient and that everyone is interconnected with others in some way. The phrase suggests that just as an island is surrounded by water and is part of a larger landmass, a person is also part of a larger social fabric and relies on others for various aspects of life. This metaphor is often attributed to the English poet John Donne, who used it in his work "Devotions upon Emergent Occasions" to emphasize the interconnectedness of human life and the importance of community and mutual support.

中文回答：
是的，“no man is an island”确实是一个隐喻。这个隐喻用来传达一个观点，即个体并非自给自足，每个人在某种程度上都与他人相连。这句话暗示，正如岛屿被水包围，是更大陆地的一部分，人也是更大社会结构的一部分，生活中依赖于他人。这个隐喻经常被归功于英国诗人约翰·多恩（John Donne），他在其作品《紧急时刻的祷告》中使用了这个隐喻，以强调人类生活的相互联系以及社区和相互支持的重要性。

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Metaphor - "No man is an island, entire of itself." This line compares a man to an island. Saying one can thrive on their own, without other people one man cannot achieve anything. ... Metaphor - "Each is a piece of the continent, a part of the main."read more >>