一哄而散: break up in an uproar; disperse in an uproar; scatter at one command; stampede; the crowd rose in a tumult and then dispersed
领头: take the lead; be the first to do sth.: 领头的马 a lead horse; 他和他的舞伴领头跳一种快步舞。 he led off with his companion in a sort of quick-step.◇领头定价 price leadership