いいこと の訳語→ balm break good now remember up
こそこそ の訳語→ sneaking sneaky sneaky-poo
しかける の訳語→ begin build dispose feed offer start
ひそかな の訳語→ clandestine personal private quiet self-contained
ふしぎな の訳語→ new odd oddly strange uncanny
コツ の訳語→ key knack pointer ritual rope something thing touch way
隠す の訳語→ conceal cover disguise elide ensconce fix keep mask plunge pretend put restrain shadow stash stuff tuck
機密 の訳語→ classified security sensitive TS
人知れず の訳語→ secretly undiscovered
内心 の訳語→ actually conscience enjoy enormously inside internal inward inwardly privately truth within
秘密 の訳語→ agent arcanum furtive ignorant knowledge secrecy silent skeleton sneak tight-vested why
秘密の の訳語→ arcane closed-door conspiratorial covert crypto restricted
裏の の訳語→ behind slimy unofficial