斯: This person, this moment. It conveys a sense of refinement, the awe-inspiring dignity of a sage, and the dedication of one who lives and breathes their principles morning and night.
贝: Treasure, family name. When "贝" is used as a personal name, it often conveys the meaning of precious gem or valuable treasure.
Meaning: The name 'Sibei' has a melodious rhythm, conveying a sense of elegance and nobility.