演讲单调乏味,不久,听众就开始陆续离席了。 The lecture was so dull that soon the audience begin to drop away.
起先,大厅里挤得满满的,但是他一开始讲话,人们便陆陆续续离去,不一会儿,剩下听他发言的人便寥寥无几了。 At first the hall was full, but people began to trickle out soon after the beginning of his speech, and soon there were very few left to hear the speaker.