1. Boat: The shape of a bamboo leaf is often compared to a boat. This is because the sides of the bamboo leaf curve downward and the center is raised, somewhat similar in shape to a small boat. This analogy graphically depicts the light and airy form of bamboo leaves.

2, crescent moon: crescent moon is the shape of the moon at the time of the new moon, the bamboo leaves and the curved shape of the crescent moon curved form also has similarities. Therefore, the bamboo leaves are also described as being like a crescent moon, a metaphor that adds to the beauty and serenity of the bamboo leaves.

3, dagger: this metaphor mainly describes the bamboo leaves from the perspective of their sharpness and sharpness. The sharp ends of the bamboo leaves are like the sharp edges of a dagger. This metaphor visualizes the sharpness and sharpness of the bamboo leaves.