亚: The term "Yasheng" (亚圣), derived from the Chinese characters 亚 (Asia) and 圣 (saint), embodies humility and vastness. When used in a name, it symbolizes modesty and expansiveness, fostering positive interpersonal relationships and advancing one's career.

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'."