Fei (pinyin: fēi) is a first-class word in the General Standard of Chinese. It was first seen in Oracle Bone Inscriptions. The original meaning refers to the action of birds flapping their wings in the air, and then it is extended to the flight of other animals, and then it can refer to the floating of all things, such as flying snow, flying groups and so on. The meanings of rapidity and suddenness are derived from this.
The ideographic characters in Shuowen, the word "fly" in Xiao Zhuan, look like spreading wings below and birds' heads above. Spread your wings to fly. Regular script writing flew after the official reform. The summary of the simplified word simplifies it to "fly", leaving a wing.
The original meaning is the action of a bird flapping its wings in the air. Shuowen: "Fly, birds are flying. Duan Yucai's Note: "If you stretch your neck and spread your wings." "Shi Gao Yan Fengyan": "Flying, its feathers vary. "Then it can refer to the flight of other animals.
Later, it expanded to everything floating in the sky. Ganyi: "The flying dragon is in the sky." Such as flying snow and flocs. It also extends from flying around to being fast and rushing. Han Liu Bang's Song of the Big Wind: "The wind rises in Yunfei." From fast to unexpected and sudden. Hanshu: "Coma flies, the sun and the moon are thin." "Fly" means groundless and unprovoked.
"The Biography of Zhou Rong in the Later Han Dynasty": "If a pawn encounters a flying disaster, there will be no funeral." Flying from the bird, the voice rises. Liu Xie and Liang in the Southern Dynasties, Wen Xin Diao Long Rhythm: "Where does the sound fly ... If it flies, the sound will not return." Fei later referred to a calligraphy term, namely "flying white".