Literature Reference: 美人旷延伫，万里浮云思。—— 《鼓吹曲辞 有所思》 沈佺期 The beauty lingers in longing, her thoughts as distant as the floating clouds over ten thousand miles. From 'Song of Longing' by Shen Quanqi.
延: "To extend, to introduce, and to facilitate the attainment of grand achievements, this character is auspicious for garnering fame, fortune, and good luck."
伫: Standing for a long time: to stand still. To wait attentively. To listen with deep focus. To ponder deeply.
Meaning: Yan Zhu conveys the meaning of standing and waiting for a long time, expressing deep emotions and anticipation.