胸有城府 xiōng yǒu chéng fǔ

DEFINITIONS

  1. subtle way of thinking (idiom); hard to fathom
  2. deep and shrewd

CHARACTERS

胸 xiōng breast, bosom, chest; thorax
有 yǒu have, own, possess; exist
城 chéng castle; city, town; municipality
府 fǔ prefecture; prefect; government