idiom > chequer pitching
Contents
Ups and downs of pitch
　　Explanation: Describe people, things, the rise and fall times.
　　Source: Han Liu, "Huai Tao training" ups and downs with Daomao pitch. "Rise and Fall of the high induced Note ups and downs still."
No. 2
　　沉浮俯仰 ( chén fú fǔ yǎng )
　　解 释 形容人、事物、时势的盛衰。
　　出 处 汉·刘安《淮南子·原道训》：“与道貌沉浮俯仰。”高诱注：“沉浮犹盛衰。”