出处:按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第223页(223字)
比喻另有新力量忽然出现,例今年全国水球锦标赛中,海鸥队异军突起,有希望夺得冠军。
It looks like that the Seagull Water Polo team,a dark horse in the National Water Polo Championship,will emerge as the winning team.