Alright, here are five idioms and their origins: 1. Waiting for the Rabbit by a Tree: From the fable in Han Feizi's Xianxue. The story is about a farmer who saw a rabbit running into a tree and fell to its death. He thought to himself, since this rabbit is already dead, why don't I wait for other rabbits to pass by before taking action? Thus, he waited until more rabbits passed by and finally obtained a bumper harvest. 2. Finishing touch: From the story of Along the River at Qingming Festival by Zhang Zeduan in Tang Dynasty. The story was about a deity who drew the finishing touch on the map, pointing out the locations and characteristics of the buildings so that the entire city could be clearly displayed. 3. Jingwei Reclaims the Sea: From the fable in the Classic of Mountains and Seas. The story was about a Jingwei Bird who was constantly fighting to fill up the East China Sea. 4. The Foolish Old Man Moves the Mountain: A historical story from the story of The Foolish Old Man Moves the Mountain. The story was about an old man who lived in front of a mountain and was determined to move the mountain to benefit future generations. Despite being ridiculed and obstructed by the people around him, he still resolutely continued to fight. 5. A word is a word that cannot be taken back: From the famous saying in the Analects of Confucius. The story was about the disciple of Confucius, Youruo, who answered Confucius 'question. This sentence had also become a Chinese idiom to express that one should bear the consequences of speaking bluntly.