1, Xiang Yan, Chu, defeated by recruits. In the meantime, Qin Jun deliberately showed weakness. After several victories, Xiang Yan was arrogant and attacked by Qin Jun.

2. After the Huang Chao Uprising in the Tang Dynasty captured Chang 'an, he did not pursue the Tang Emperor in time, but was complacent and established Daqi. Later defeated by Emperor Taizong, he finally committed suicide in Taishan.

Li did nothing all day after his father told him three things. Finally, he was killed by the player and died in the later Tang Dynasty.

4. At the end of the Ming Dynasty, Li Zicheng established Dashun after the rebels invaded Beijing, but it was soon corrupt and complacent, which led to the degeneration of the army and was quickly defeated by the Qing army.

Modern examples:

Zhang Fei, a great college entrance examination student, took several college entrance examinations and was admitted to a prestigious school, but was expelled from the school because he was obsessed with online games.