【成语来源】
come out of nowhere一鸣惊人
in the warring states period ， duke wei of qi neglected state affairs, for the first three years of his reign, giving himself over to dissipation. 战国时期，齐威王继承王位已有三年了，可是他整天饮酒作乐，不理朝政。
one of his minister, chun yukun who had a good sense of humor, said to him:”there is a big bird which has never taken wing nor sung for three years.your highness, may you guess what kind of bird is it?” 有一个大臣叫淳于髡，非常有幽默感，对齐威王说：“臣听说齐国有一只大鸟，三年来不飞也不叫，大王了解这是一只什么鸟？”
the duke answered, “once that bird starts to fly and sing, it will astonish the world.”齐威王答道：“一旦这只鸟开始飞翔高歌，势必震撼世界。”
the duke then devoted himself to his duties and built his state up into a powerful one.从此齐威王勤于朝政，励精图治，国威大振。
this idiom is used to indicate that a person may rise from obscurity and achieve greatness. 成语“一鸣惊人”比喻平常默默无闻或是无所作为，但一旦认真起来，便一下子干出一番惊人的事来。
【文化链接】
英文中“一鸣惊人”可以用“come out of nowhere”来表达，直译也就是“不了解从哪儿就忽然出现”的意思，如此一想也就容易理解了~
网上曾有一个帖子名叫“9 sports stars who came out of nowhere”，帖子中就细数了体坛九位“一鸣惊人”体坛黑马，其中自然会有大家的骄傲“林书豪”啦！
