亡鱼是海的伤疤你是我心的伤疤
[wáng yú shì hăi de shāng bā nĭ shì wŏ xīn de shāng bā]
Dead fish are the sea's scars, just as you are my heart’s scars compares the lasting pain from lost love to permanent marks left behind. It suggests the deep impact of a broken relationship on one’s emotions, paralleling it to nature’s wounds.