ひそかな (translations)→ clandestine personal quiet secret self-contained
ひそかに (translations)→ mentally privately quietly secretly silently softly stealthily surreptitiously unadvertised
ひそやかな (translations)→ faded muffle soft
めいめいの (translations)→ our their
もの (translations)→ 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 (translations)→ genuine own personally
自分の (translations)→ every intimate one’s pet
内緒 (translations)→ confidence confidential
内心 (translations)→ actually conscience enjoy enormously inside internal inward inwardly sneaking truth within
秘密の (translations)→ arcane closed-door conspiratorial covert crypto restricted
内輪の (translations)→ company domestic en famille