Literature Reference: 羁怀吟独苦，愁眼媿花妍。—— 《陈情上郑主司》 Singing of loneliness with a heavy heart, my sorrowful eyes shame the beauty of flowers. Source from 'Chen Qing Shang Zheng Zhusi'.
羁: Restraint, constraint.
怀: Yearning and reminiscence, here signify family harmony and mutual care.
Meaning: The word '羁怀' conveys the feelings of loneliness and sorrow while being away from home, expressing a sense of helplessness.