该隐 Traditional form: 該隱 Pinyin (reading): Gāiyǐn Definitions: Cain (name) Cain (biblical character), a figure of Judeo-Christian-Muslim mythology Characters: 该 - should, ought to, must 隐 - to hide, to conceal; secret, hidden Traditional characters: 該 - should, ought to, must 隱 - to hide, to conceal; secret, hidden