yǔ羽máo毛wèi未fēng丰
Still young and inexperienced; not yet fully fledged or developed in capability and strength.
Era:
Ancient
Frequency:
Story:
The idiom "羽毛未丰" (yǔ máo wèi fēng), meaning "feathers not yet fully grown," originates from "Strategies of the Warring States: Strategies of Qin 1."
The King of Qin once said, "I have heard that a bird with incomplete feathers cannot fly high."