Vortex, countercurrent. Guo Moruo's Slavery Age: On the Western Han Dynasty is not a slave society: "Even if there is a temporary institutional swing due to foreign invasion, from the perspective of historical development, this will never change." Guo Moruo's Boiling Soup Collection Literature and Democracy: "Please hide the noisy sea for me so as not to be dragged into the whirlpool by them."

Word decomposition

Explanation of vortex × rotating water flow: vortex (a. spiral formed by rotating water flow; B. Yu is getting deeper and deeper, falling into a situation where he can't extricate himself, such as "being caught in the whirlpool". Also known as "vortex"). Vortex (the way waves rotate and surge) is radical: beech; Explanation of rotation and flow of rotating water. Countercurrent: "go with it, the road is blocked and long." Radical: beech.