The Chu army defeated the Qin troops around Julu, then crossed the river. When all his men and horses were across, Xiang Yu ordered their boats to be scuttled and their cooking cauldrons to be smashed, leaving them with only three days 'dry rations. This showed his determination to fight to the death.
2. 楚軍打敗了鉅鹿外圍的秦軍，渡過了河，項羽等兵馬全部到了對岸，便下令把渡河的船鑿沈，飯鍋也全部砸碎，只帶三天的乾糧，表示誓死一戰的決心。