He rounds off by proposing a toast to the attendants.他向所有出席者祝酒，结束了讲话。Only half of the attendees could fit into the hall at any one time.出席者太多了，大厅里无论如何都只能容下一半的人。Only one-half of the attendees could fit into the large hall at any one time.这个大厅一次只能容下一半的出席者。