futileKK [ˋfjutəl] /ˈfjutəl/发音形容词1徒劳的、白费的、无用的All their attempts to save the old theater proved futile.他们为抢救那座老戏院所做的一切努力最后都徒劳无功。2无意义的、无关紧要的较少用He wasted the whole evening on futile arguments about politics.他整个晚上都浪费在毫无意义的政治争论上。用这个字练口说→