深水猫死深海鱼亡
        
            [shēn shuĭ māo sĭ shēn hăi yú wáng]
        
        
            Translated as 'Cats die in deep water; Fish die in the deep sea', it carries strong metaphorical meanings regarding life's harshness or fate's cruelty, possibly suggesting how different organisms face their unique yet inevitable end.