What is an open flame?

1. An open flame is a real burning fire in nature, and it is a visible fire, such as a visible flame, a visible Mars and a visible candle. 2. In ancient divination and sacrifice, bronze mirrors were used to reflect the fire lit by concentrated sunlight. Zhou Li Chun Guan Yi Shi: "Fan Bu, use an open flame." Zheng Xuan's Note: "An open flame is like a sun." "Book of Rites IV of the Old Tang Dynasty": "If you want to sacrifice it, look at the sun and make a fire, which is called an open flame." 3. Bright fire. Xunzi Shi Zhi: "If there are people who can understand their virtues today, the world will return to an open flame if it is cicada." 4. It means public robbery. Lao She's Four Generations under One Family 46: "They have guns! Since they are willing to arrest people for no reason, how do you know that they will not be willing to hold the fire again? " Gao Deming's "Vinegar Lighting": "People are watching there, do you answer it? As soon as you turn a hair, people come over ... I won't give it to others, I will give you an open flame. " See "Fighting with Open Fire".