玄之又玄 [－－－－]

Jyutping jyun4 zi1 jau6 jyun4
Pinyin xuán zhī yòu xuán

Definitions (CC-CEDICT)
  1. mystery within a mystery
  2. the mysteries of the Dao according to Laozi 老子[Lao3 zi3]
Definitions (Wiktionary)
  1. phrase, idiomatic
    extremely profound and mysterious
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）