干城之将

Explanation: Dry Town: shields and walls, metaphor defenders. Refers to defend the country's generals. 　　Source: "Rabbit Songs Mi Zhou Nan" correct correct Takeo, princes dry city. "" Staying Cong Son "Jinjun at the Warring States Period of the world, minions of the persons elected, and the second city of the eggs will dry Yan abandoned, this is not to hear the neighbors who have."