Keeping falcons and hounds, riding horses and hunting were the pastimes of ancient nobles.
As a farming society that believes in Confucianism, traditional Confucian education emphasizes quietness over activity and hates this aristocratic movement.
because
First, wandering horseback riding is easy to hurt farmland;
Second, it is considered to be doing nothing and playing with things;
Third, children's debauchery is easy to get into trouble.
Therefore, flying eagle is a description of your son's bohemian behavior. He doesn't study, doesn't make progress, plays with things and plays around, which is not a good word under traditional values. But at the same time, it also has the meaning of praising beauty, which means martial arts.