Literature Reference: 何物令侬羡，羡郎船尾燕。—— 《淮阴行五首 四》 刘禹锡 What stirs my envy? The swallows at the stern of your boat. From 'Huaiyin Xing Five Pieces, Part 4' by Liu Yuxi.
船: Waterborne transportation.
燕: The swallow. In names, it often symbolizes good fortune and peace, signifying auspiciousness, health, and a beautiful life.
Meaning: The boat swallow symbolizes freedom, agility, and loyalty, embodying lightness, elegance, and devotion.