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'."
水: Rivers, streams, lakes, and seas collectively. It metaphorically signifies that when conditions are ripe, tasks will be accomplished smoothly.
Meaning: The character 'Du' symbolizes resilience and vitality, while 'Shui' represents flexibility and wisdom, signifying the balance of strength and softness, wisdom and perseverance.