China Naming Network - Solar terms knowledge - An axe cut off a ship.
An axe cut off a ship.
Cut off all retreat
From "Historical Records of Xiang Yu": "Xiang Yu got the reward, led his troops to cross the river, all sank, broke the kettle, burned the house, and gave three meals to show that his soldiers would die, and there was no return."
Metaphor is determined to go all out.