鱼是一缕未亡之魂海是一座未枯之城
[yú shì yī lǚ wèi wáng zhī hún hăi shì yī zuò wèi kū zhī chéng]
This is poetic imagery, likening a fish to a remnant spirit, undying, living within the sea; the latter described metaphorically as an enduring entity despite changing times, possibly symbolizing continuity, life, and depth amidst uncertainty and impermanence.