他们就坐在那儿没完没了地聊明天要听哪些讲座。They just sat there wittering about what lectures they had tomorrow.他的讲座学究气太浓，没意思。His lecture was so pedantic and uninteresting.利兹大学为期一天的关于维多利亚时代妇女的专题讲座a day school at Leeds University on women in V...
尽量不要高声喧哗或是不自然地讲话。Try to avoid shouting or speaking unnaturally.在公共汽车上大声喧哗是一种粗鄙的行为.Talking loudly on a bus is a sign of vulgarity.周未时,海滨上满是喧哗的游客[度假者].At weekends the beach is crowded with noisy trippers....