idiom > Laugh one's head off as (if) City
Contents
Running, such as City
  Explanation: Walk: run. City: Fair. Bustle for a purpose described, the activities of many people.
  Source: "Ancient and Modern Fiction Shen Xiaoxia meet Inst" is unworthy of the people running such as City, Branch Road Offices, and all of its teeth claws confidants. "
No. 2
  词 目 奔走如市
  发 音 bēn zǒu rú shì
  释 义 走:跑。市:集市。形容为某种目的而奔忙、活动的人很多。
  出 处 《古今小说·沈小霞相会出师表》:“由是不肖之人,奔走如市,科道衙门,皆其心腹牙爪。”