《北史·列传·卷十三》
古弼头尖，太武帝常叫他笔头，当时人称他为笔公。
弼头尖，帝常名之曰： 笔头 ，时人呼为 笔公 。
Gu Pi had a pointed head, and Emperor Taiwu would often call him "Pen Head", and at the time people referred to him as "Pen Prince".
<s>[INST] Translate the following Classical Chinese text into modern Chinese: 弼头尖，帝常名之曰： 笔头 ，时人呼为 笔公 。 [/INST] 古弼头尖，太武帝常叫他笔头，当时人称他为笔公。</s>
Translate the following Classical Chinese text into modern Chinese: 弼头尖，帝常名之曰： 笔头 ，时人呼为 笔公 。
user
古弼头尖，太武帝常叫他笔头，当时人称他为笔公。
assistant