Literature Reference: 待还公事了，亦拟乐吾身。—— 《自到郡斋仅经旬日方专公务未及宴游偷闲走笔题二十四韵兼寄常州贾舍人湖州崔郎中仍呈吴中诸客》 Wait until official duties are completed, then I plan to delight in my own being. Source from 'Zi Dao Jun Zhai Jin Jing Xun Ri Fang Zhuan Gong Wu Wei Ji Yan You Tou Xian Zou Bi Ti Er Shi Si Yun Jian Ji Chang Zhou Jia She Ren Hu Zhou Cui Lang Zhong Reng Cheng Wu Zhong Zhu Ke'.
乐: Happiness, joy. The character "Ji" is auspicious and signifies a carefree, cheerful, and comfortable life, often used in names to convey a sense of ease and contentment.
身: In person, oneself, one's physical form.
Meaning: To delight in one's own being, seeking joy and peace in life.