Invincible: There is no battle that cannot be defeated. Described as extremely powerful and capable of defeating everything. Source: Qing Dynasty Zhaoyi's "Xiao Ting Sui Lu· Zhuan'an Monk": "The king of Wu has also arrived for the general's affairs. He has opened up land for him and attacked the city. He has been invincible in the battle. He has recruited several counties in a few months." A hundred battles are victorious. : Win every battle. Describe being invincible. Source: "Sun Tzu: Planning for Attack": "To be victorious in a hundred battles is not a good thing." To be in danger in a hundred battles: to go through many battles without being in danger. Describes being good at using troops. Source: "Sun Tzu: Planning for Attack": "He who knows his enemy and himself will never be in danger in a hundred battles." Victory in consecutive battles: ① Winning battles one after another. ②Today it mostly refers to continuous good results in sports competitions or exams. Repeatedly defeated: repeated: many times. We fought many battles and failed many times. Source: "Book of Jin Huan Wen's Biography": "Yin Hao went to Luoyang to repair the garden tomb. After several years of involvement, he suffered repeated defeats and exhausted all his equipment." Quick victory: Use quick tactics to end the battle. It also means completing a task quickly. Source: Lao She's "Four Generations Under One Roof" May Day: "The war has been dragging on for more than a year, and there is no hope of a quick victory." A bloody battle to the end: A bloody battle: a very fierce and desperate fight. Refers to a fierce battle to the last moment. Source: Tang Dynasty Du Fu's poem "Farewell to Judge Li of Lingzhou": "The world is red in bloody battles, and the sun and moon are yellow in the atmosphere." Use war to fight: Use war to eliminate war. Source: "Shang Jun Shu·Hua Ce": "Therefore, it is necessary to fight with war, even if it is possible to fight." Fighting from behind the city: Back: facing away. Fight to the death with the enemy under your own city. The final battle that determines life and death. Source: "Zuo Zhuan·The Second Year of Chenggong": "Please collect the embers and borrow one from the city." Back to the water: Back to the water: With your back to the water, it means there is no way out. It is a metaphor for fighting to the death with the enemy. Source: "Historical Records·Biography of the Marquis of Huaiyin": "The letter sent thousands of people to go ahead and go out with water on their backs. The Zhao army laughed when they saw it." Short soldiers: short weapons: swords and other short weapons; continue: fighting. Refers to close combat. A metaphor for a fierce fight face to face. Source: "Three Kingdoms·Wei Zhi·Dian Wei Biography": "Wei was wounded dozens of times, and the soldiers fought hand-to-hand, and the thieves fought forward." Fight individually: Each becomes an independent unit to fight. Source: "Historical Records·The Chronicles of Xiang Yu": "If the king can move from Chen to the east of Fu Hai, he will fight with Han Xin; from the north of Suiyang to Gucheng, he will fight with Peng Yue. If each of them fights, Chu will be easily defeated." Fight alone: ??Fight hard: Fight with all your might. The isolated and helpless army fought against the enemy alone. It also refers to a person or a group working hard to engage in a certain struggle without support or help. Source: "Book of Wei·Biography of Zhao Xia": "Sizu led Peng Pei's troops to retreat, but Xia's army fought hard and broke the immortal pot alone." "Book of Sui·Biography of Yu Qingze": "So Changru fought alone, and ten of them died. Eighty-nine. "To fight to the death: to decide; to die: to fight to the death. Fight to the death against the enemy. Source: Chapter 33 of "The Romance of the Three Kingdoms" by Luo Guanzhong of the Ming Dynasty: "In the future, we will drive the common people to take the lead, followed by the army, and fight to the death with Cao Cao."