A school is banning(禁止) skirts because male teachers are too embarrassed(尴尬的) to tell girl pupils their hemlines are too high. 学个词：hemline /ˈhemlaɪn/ (衣裙的)底边；下摆。例如：Shorter hemlines are back in this season. 本季又重新时兴较短的衣裙。下面的热门评论亮了[笑cry] ​