without fail片语KK [wɪˋθaʊt fel] /wɪˈθaʊt feɪl/发音片语1务必、一定Please submit the application by Friday without fail.请务必在星期五之前提交申请。2总是、每次都She calls her grandmother every Sunday evening without fail.她每个星期天晚上都会打电话给奶奶,从不间断。用这个字练口说→