idiom > head acumen
Contents
Extremely intelligent
  Explanation: Apex: extreme. Described as abnormal smart.
  Source: Guo, "Zhuang Zi's critical," Chuang Tzu is extremely intelligent person, but also some of his disciples about the person ~. "
  Examples: ~ Chuang Tzu is the man, his disciples about who is more ~. (Guo, "Chuang-tzu's criticism")
No. 2
  成语 绝顶聪明
  发音 jué dǐng cōng míng
  解释 绝顶:极端。形容异常聪明。有时用来戏称绝顶的人。
  出处:清朝·无垢道人《八仙全传》第五回:“他本是夙根极好、聪明绝顶的人,当时都已领会。”
  事例:郭沫若《庄子的批判》:“庄子是~的人,他的门徒大约也是些绝顶聪明的人。”高阳《胡雪岩全传·平步青云》上册:“由于他绝顶聪明,善于识人,而且能言善道,手面大方,所以三年满师。”