歌曲山水知音

"山水知音"的英文翻译可以是 "Mountains and Water Understand Each Other"。这是一个中国成语，常用来形容人与自然和谐相处，或者形容知己之间心意相通。如果需要在正式语境中使用，可以这样表达：

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This phrase, "Mountains and Water Know Each Other," conveys the concept of harmony between nature and understanding between people, often used metaphorically to describe a deep connection or understanding between friends.

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如果你需要在某个具体的场景或对话中使用，可以根据上下文稍作调整。