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.
万: The term "quantity unit" signifies abundance and encompasses the meaning of "all." Being fortunate beyond measure is an auspicious repetition, which is highly beneficial for one's health when used in a name.
Meaning: The name 'Si Wan' is a transliteration with a melodious and elegant tone, evoking a sense of grace and nobility.