生花之笔：传说李白少年时梦见笔头生花，从此才华横溢，名闻天下（见于五代王仁裕《开元天宝遗事》）；（比喻）杰出的才能
According to Anecdotes of Kaiyuan and Tianbao Reigns by Wang Renyu of the Five Dynasties, Li Bai, a poet in the Tang Dynasty, saw a flower at the tip of his writing brush in a dream in his childhood and showed brilliant writing since then and became well known throughout the country; (fig.) virtuosity; brilliant pen; brilliant style of writing
