Literature Reference: 项籍顾骓犹解叹，乐天别骆岂无情。—— 《病中诗十五首 卖骆马》 Even Xiang Ji looked back at his horse with a sigh, and Bai Juyi was not heartless when bidding farewell to his camel. From 'Fifteen Poems During Illness: Selling the Camel Horse'.
解: Parting, release, surname.
叹: Chanting: A lyrical lament that resonates with the soul.
Meaning: To understand and sigh, expressing deep reflection on parting or change.