conundrumKK [kəˋnʌndrəm] /kəˈnʌndɹəm/名詞1難題、棘手的問題The city faces a conundrum over how to fund public transport.該市面臨如何籌措公共運輸經費的難題。2謎語、腦筋急轉彎舊式He entertained the children with riddles and old conundrums.他用謎語和老式腦筋急轉彎逗孩子們開心。