The word "龙驹凤雏" is formed by juxtaposing two compound metaphors: "龙驹" meaning "dragon colt" and "凤雏" meaning "phoenix chick". Each compound pairs a mythical creature (龙, dragon; 凤, phoenix) with a term for a young animal (驹, colt; 雏, chick) to create imagery of youthful excellence. The combination merges these parallel structures into a single phrase emphasizing exceptional potential in youth.