ひそかな の訳語→ clandestine personal quiet secret self-contained
ひそかに の訳語→ mentally privately quietly secretly silently softly stealthily surreptitiously unadvertised
もの の訳語→ anything base clothing component creature dick element factor fellow important information ingredient instrument kind man matter note object one oyster part people person possession quality rest something story stuff subject thing word worthy
個人的な の訳語→ genuine own personally
自分の の訳語→ every intimate one’s pet
内緒 の訳語→ confidence confidential
内心 の訳語→ actually conscience enjoy enormously inside internal inward inwardly sneaking truth within
秘密の の訳語→ arcane closed-door conspiratorial covert crypto restricted
内輪の の訳語→ company domestic en famille