Basic introduction Chinese name: yěn léI Pinyin: yρnléI Explanation: The source of the dull thunder: "Give the pacer a prayer for rain" 1. Still muffled thunder. The noise is very small, similar to silent thunder. Tang Lulun's slogan "Leave Zhang and Liu behind when it rains on the road": "The cloudy thunder slowly turns to the wild cloud, and the horse loves the rain and the dew is cool." Gao Mingqi's poem "Pray for Rain for Practitioners" says: "Thunder fills the sky to be angry, and the spirit blows the flag to blow the purple altar at dusk." Qu Dajun's Lei Yin in Xinyu, Guangdong Province in Qing Dynasty: "The thunder of Leizhou is called Lei Yin." 2. Superstition refers to the lightning strike in the underworld. "Ancient and modern novels: Poems of Wandering Hu Mudi": "The official said to Di:' This earthquake is also thunder, and the blower is also wind. " "