一日千丈

Explanation: Describe the development of the situation very quickly. 　　Source: Sun Yat-sen "revolution since the original" unexpected Yu Wan on the franchisees who then also has set up branches in the provinces. A little knowledge from this day the revolutionary wave, the speed of its progress, there are surprises those who carry on. " 　　Examples: Yangzhou true, as some people say, the letter is a famous place ... ... but now the decline, the economy is the decline of ~. ★ qing "I am Yangzhou"