俞: "Permission granted, with a joyful and harmonious demeanor."
坤: Qian and Kun, with Qian representing heaven and Kun symbolizing earth, embody the essence of all things in the universe. When used in personal names, they reflect an individual's lofty aspirations and dreams.
Meaning: Yu signifies promise and compliance; Kun symbolizes the earth, representing tolerance, vastness, and virtuous endurance.