the flood of ideas now rising now falling
As a Chinese idiom, Pinyin is s ī ch á OQ ǐ f ú, which means frequent ideological activities. From night star by Wang Zongren.
The idiom comes from Wang Zongren's night Star: "I can't sleep. I walk out of the tent and stand on a slope. I look at the night stars all over the mountains and feel the ups and downs." There is a sentence in Ji Xianlin's "miss my mother" in Lesson 6 of grade 6: "I'm full of thoughts, and I think of my hometown again."
the flood of ideas now rising now falling
The great and the great knock on each other - àng yú xiāng qiāo