冰壶秋月 (冰壺秋月) bīnghú qiū yuè
          
              bīnghú qiū yuè 
              
              set phrase 
              jade ice jug and autumn moon; spotless white and pure 
              Domain: Modern Chinese 现代汉语
              
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                Notes: Idiom, from poem by Song writer Su Dongpo 苏东坡 (CC-CEDICT '冰壺秋月')