1. Encircling Wei to save Zhao: In 353 BC, Wei besieged Zhao, and Qi sent Tian Ji to lead an army to save Zhao. Tian Ji took advantage of the emptiness of Wei, led troops to attack Wei, Wei's army came back to save the country, Qi's army took advantage of it and defeated Wei Jun, so Zhao was eliminated. Later it was used to refer to similar military tactics, or to make others kill each other by clever means.
2. The last battle: The Battle of Gaixia in 202 BC, Liu Bang followed the advice of counselor Sean and fought a decisive battle with Xiang Yu in Guling Highland. Liu Bang ordered the soldiers to burn down the camp and turn their backs on the Hanshui River array, so that the soldiers in no way back could only fight to the death with the enemy. In the end, Liu Bang won with this strategy. The word "last fight" was later used to describe that at the crucial moment of deciding the outcome, he devoted all his strength to fight the enemy to the death without reservation.
3, cross the rubicon: The Battle of the Giant Deer from the First World War of Xiang Yu. In order to boost morale, Xiang Yu ordered his soldiers to smash pots and sink warships, leaving them with no choice but to March forward bravely. In the end, Xiang Yu successfully defeated Qin Jun, and was later used to describe his desperate determination to go all out.
Characteristics of four-character idioms:
1. Concise: Four-character idioms are usually composed of four Chinese characters, which are concise and can accurately express rich meanings. Compared with ordinary language forms, four-character idioms are more general and concise, and can convey profound truth or emotion in short language.
2. Historical inheritance: Most four-character idioms come from historical events, allusions or traditional culture, and have profound historical and cultural connotations. They are not only the essence of language, but also an important part of China's cultural tradition. By studying and using four-character idioms, we can better understand and inherit the excellent culture of the Chinese nation.
3. Vivid expression: Four-character idioms are often vivid and infectious in expression. They can convey abstract concepts or emotions vividly by using rhetoric means such as metaphor and symbol, making the language more vivid and vivid, and enhancing the artistic expression of the language.
4. Rich connotation: Four-character idioms have rich semantic connotation and ideological depth. Many idioms contain profound truth, wisdom and experience, which can enlighten and arouse thinking. Using four-character idioms can better express one's views and feelings and deepen the level and depth of communication.
5. Fixed structure: Four-character idioms have a fixed structure in form, that is, they are composed of four Chinese characters, and generally cannot be split or changed at will. This fixed structure makes four-character idioms standardized and unified in language, easy to learn and easy to use.