贞: Loyalty and steadfastness. Often used in conjunction with unwavering devotion, it signifies remaining true to one's cherished principles with resolute determination.
黛: The color of deep blackish-blue, akin to the traditional Chinese pigment known as "qing dai," often conveys an image of elegance and beauty. When used in names, it tends to leave a favorable impression, fostering good relationships and attracting positive connections.
Meaning: The name conveys elegance and steadfastness, with 'zhēn' symbolizing loyalty and 'dài' representing the dark pigments often used to describe a woman's eyebrows.