冰壺秋月 [ㄅㄧㄥ ㄏㄨˊ ㄑㄧㄡ ㄩㄝˋ; bing1 hu2 qiu1 yue4] jade ice jug and autumn moon (idiom, from poem by Song writer Su Dongpo 蘇東坡); fig. spotless white and pure flawless person ◄ ►