石: Cornerstone, foundation. In names, it often conveys a sense of steadfastness and perseverance, which is beneficial for career development.
觫: [Trembling with fear] See "觳 (hú)".
Meaning: The character 'Shi' symbolizes steadfastness and stability, while 'Su' conveys bravery and resilience, embodying an unyielding and determined spirit.