Literature Reference: 夜风一何喧,杉桧屡磨飐。—— 《陪杜侍御游湘西两寺独宿有题一首因献杨常侍》 The night wind howls fiercely, the cedars and cypresses repeatedly rub and sway. Source from 'Accompanying Du Shiyu on a Trip to the Two Temples in Western Hunan, Spending the Night Alone, and Presenting a Poem to Yang Changshi'.
磨: Tempering. Honing.
飐: Quivering, swaying.
Meaning: The trees sway repeatedly in the wind, symbolizing steadfastness and resilience through adversity.