Huan Yi was a renowned general of the Eastern Jin Dynasty, born in Zhi County, Qiao State (present-day southwest of Su County, Anhui), with the courtesy name Shuxia and childhood name Ziye.
Huan Yi began his career as the governor of Huainan, later rising to become the commander of military affairs in Yuzhou, General of the Western Central Guard, and Inspector of Yuzhou. In 383 AD, Fu Jian, the emperor of Former Qin, led a massive army of 900,000 southward to attack the Eastern Jin dynasty. The renowned Eastern Jin chancellor Xie An ordered his nephew Xie Xuan to lead 80,000 troops in resistance, and Huan Yi also mobilized all his forces from Yuzhou to join Xie Xuan against the Former Qin army. At the Battle of the Fei River, they decisively crushed the Former Qin forces, securing a great victory that stabilized the Eastern Jin regime.
Soon after, Huan Yi was promoted to military governor overseeing ten commanderies in Jiangzhou and Jingzhou, and four in Yuzhou, as well as serving as the governor of Jiangzhou. Despite his outstanding military achievements, he remained remarkably humble in daily life, never boasting of his own merits. As a result, he maintained harmonious relationships with both his superiors and subordinates.
Huan Yi's greatest passion beyond the battlefield and governance was music. He composed melodies and excelled at playing the flute, earning recognition as a musician and flutist. The famous piece "Three Variations of Plum Blossom" is said to have been originally composed by him. His flute skills were hailed as "the finest south of the Yangtze River."
Beyond playing the flute, Huan Yi also loved listening to others sing, and whenever he heard a beautiful voice, he would instinctively tap along and praise it.
At that time, Prime Minister Xie An also loved music deeply, and when the two met, they often discussed it. Seeing Huan Yi's profound musical skill and heartfelt devotion, Xie An remarked, "Huan Ziye truly has a deep and abiding passion for music!"
Later, the idiom "Deeply Devoted" came to describe someone who pours profound feelings into a person or thing, unable to restrain their emotions due to longing.
Source: *A New Account of the Tales of the World*, Chapter "Unrestrained Conduct"
Meaning of the Idiom: Later, the Chinese idiom "一往情深" came to describe how someone pours profound feelings into a person or thing, unable to restrain their emotions due to longing.