成语“一鸣惊人”比喻平时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。

This idiom is used to indicate that a person may rise from obscurity and achieve greatness.

youdao

成语“一鸣惊人”比喻平时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。

This idiom is used to indicate that a person may rise from obscurity and achieve greatness.

youdao