深奥

深奧
shēn'ào

profound; abstruse; difficult to understand; esoteric

Wiktionary

Homographs

深奥 shēnào
  1. profound
  2. abstruse
  3. recondite
  4. profoundly

Entry Composition

=1 深 shēn old variant of 深 shēn
=1 深 shēn deep (lit. and fig.)
=2 奥 Ào
  1. (bound form) Austria (abbr. for 奥地利 Àodìlì)
  2. (bound form) Olympics (abbr. for 奥林匹克 Àolínpǐkè)
=2 奥 ào
  1. obscure
  2. mysterious