秘中の秘 ひちゅうのひ expressions (phrases, clauses, etc.) noun (common) (futsuumeishi) 秘中の秘ひちゅうのひ Expression Noun English JMdict (multilingual) 1 expressions (phrasesnoun (common) (futsuumeishi) top secret 漢字 kanji used 秘 secret, conceal 10画 中 in, inside 4画
秘中の秘ひちゅうのひ Expression Noun English JMdict (multilingual) 1 expressions (phrasesnoun (common) (futsuumeishi) top secret
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