玄之又玄 (jyun4 zi1 jau6 jyun4) — the most mysterious of the mysterious; mystery of mysteries; extremely mysterious and abstruse in Cantonese
jyunˎ₄玄ziˉ¹之jauˍ₆又jyunˎ₄玄Mandarin Pinyin: xuan2 zhi1 you4 xuan2
Meaning of 玄之又玄
nounthe most mysterious of the mysterious; mystery of mysteries; extremely mysterious and abstruse