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dǐng chēng yù shí ㄉㄧㄥˇ ㄔㄥ ㄩˋ ㄕˊ

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Từ điển Trung-Anh

(1) lit. to use a sacred tripod as cooking pot and jade as ordinary stone (idiom); fig. a waste of precious material
(2) casting pearls before swine