The operation was code-named Moonlight Sonata.

这次行动的代号是“月光奏鸣曲”。

《柯林斯英汉双解大词典》

Sure, it's Beethoven's Moonlight Sonata.

当然，贝多芬的《月光奏鸣曲》。

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This was the origin of the Moonlight Sonata.

这就是《月光奏鸣曲》的来历。

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Kurt Gerron's "Het mysterie van de Mondscheinsonate" (Mystery of the Moonlight Sonata), a 1935 Dutch thriller shot using only natural light, bears the clear influence of both Weimar music-hall films and thrillers.

WSJ: Hollywood's German Influence | The Weimar Touch | Museum of Modern Art | By A.J. Goldmann