underworldKK [ˋʌndɚˏwɝld] /ˈʌndɚˌwɝld/名詞1黑社會、犯罪集團、地下社會常加 theHe spent years investigating the city's criminal underworld.他花了好幾年調查這座城市的黑社會。2陰間、冥界、地府神話In the myth, the hero travels to the underworld to find his wife.在神話中,英雄前往冥界尋找他的妻子。