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.
海: The vast ocean symbolizes boundless expansiveness. In the context of a name, it conveys aspirations of grand ambition, profound knowledge, and a broad, inclusive heart.
Meaning: The name 'Si Hai' flows smoothly, with 'Hai' symbolizing vastness and depth, representing a broad mind and lofty aspirations.