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95页(213字)
比喻有本领的人,平时不被觉察,一有机会表现其突出才能时,就使人为之一惊,例她第一次上台表演,一鸣惊人,连她的老师也大感意外。
Her name was made overnight after her very first performance.Even her teacher was taken by surprise.