cutthroatKK [ˋkʌtˏθrot] /ˈkʌtˌθɹoʊt/發音形容詞1競爭激烈的、割喉式的The smartphone market is cutthroat, and margins keep shrinking every year.智慧型手機市場競爭激烈，利潤每年都在縮水。2殘酷無情的、不留情的He rose to the top using cutthroat tactics that ruined his colleagues.他靠著毫不留情的手段爬到高層，害慘了同事。名詞1兇手、殺人犯舊式The alley was said to be full of thieves and cutthroats.據說那條巷子裡滿是小偷和殺人犯。