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Jyutping bat1 tau3 ming4
Pinyin bù tòu míng

Definitions (CC-CEDICT)
  1. opaque
Definitions (Wiktionary)
  1. adj
    not transparent (not open to public scrutiny)
  2. adj
    opaque (not allowing light to pass through)
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)