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Jyutping muk6 jan4 sek6 sam1
Pinyin mù rén shí xīn

Definitions (CC-CEDICT)
  1. lit. body made of wood, heart made of stone (idiom)
  2. fig. heartless
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)