undoubtedlyKK [ənˋdaʊtɪdli] /ənˈdaʊtɪdli/發音副詞1無疑地、毫無疑問、必定She is undoubtedly the best candidate for this position.她無疑是這個職位最適合的人選。2確實、的確用於表示同意或讓步The plan is undoubtedly expensive, but it will save lives.這個計畫確實花費不小,但能救人性命。