Hello!
The sources of idioms cover a wide range of areas:
First, they are derived from ancient myths. Many ancient myths and legends in my country are of profound educational significance, such as: the creation of the world, Kuafu chasing the sun, Foolish Old Man Moves Mountains, etc.
The second is derived from historical events. In ancient times, there were many famous historical stories and events. Later generations condensed them into four-character idioms, such as: returning to Zhao with a perfect jade, joining the army with a pen, lying on a salary and tasting gall, bearing a bush to plead guilty, etc.
The third is stories originating from the predecessors, such as: being confident, being full of troubles, fighting fires with a salary, being destitute, etc.
The fourth is derived from fables and legends in ancient books, such as: Unfounded Worry, Learning to Walk in Handan, Covering Your Ear and Stealing the Bell, Waiting for a Rabbit, Carving a Boat to Seek a Sword, etc.
The fifth is derived from the original sentences of the ancients without modification, such as: the drunkard's intention is not in the wine, the truth comes to light, a smile makes a fortune, a blockbuster, etc.
The sixth is to intercept the sentences of the ancients, or slightly modify them and then use them, such as: sacrifice one's life for righteousness, one exposed to ten colds, one hair is not pulled out, one is close to the water, one is the raccoon dog on the other, etc.
The seventh one is the colloquialisms, proverbs and common sayings that come from the masses. These types of idioms account for a relatively large proportion, but some of them can no longer find their original sources. Most of these idioms are from the people. Created by the masses, such as: looking for a needle in a haystack, criticizing others, starting anew, taking drastic measures, etc.
The eighth is idioms that originate from foreign countries. Some of our Chinese idioms also come from foreign countries, such as "spotless", "experiential explanations", "blissful", etc. from Buddhist scriptures; there are also allusions, maxims and idioms from the writings of "Sunset" from the West. An eye for an eye, a tooth for a tooth, new wine in old bottles, chestnuts from the fire, metabolism, etc.
Nine is an idiom derived from transformation. In order to meet the needs of expression or writing, one or two words are changed and used, such as: kill three birds with one stone, kill two birds with one stone, kill two birds with one stone, kill two birds with one stone, Advancing despite difficulties and so on.
Ten is an idiom that comes from life. It does not come from historical inheritance, but has emerged in recent decades. It has been used many times in daily life, such as: faster and more economical, every second counts, strive to be the best, Let a hundred flowers bloom, go to the mountains and countryside, turn waste into treasure, etc.