杜: Du Kang, Du Fu. The character "Du" refers to the sweet pear tree, as stated in the "Shuowen Jiezi" dictionary: "The male is called 'Tang', and the female is called 'Du'."
嘉: Praise, auspiciousness, celebration, and happiness.
Meaning: The name '杜嘉' has a pleasant tone, with '杜' conveying stability and '嘉' symbolizing beauty and auspiciousness.