秘辛 Traditional form: 秘辛 Pinyin (reading): mìxīn Definitions: behind-the-scenes story details known only to insiders Characters: 秘 - secret, mysterious, abstruse 辛 - bitter; toilsome, laborious; 8th heavenly stem Traditional characters: 秘 - secret, mysterious, abstruse 辛 - bitter; toilsome, laborious; 8th heavenly stem