Literature Reference: 挽菱隔歌袖，绿刺罥银泥。—— 《月漉漉篇》 Holding water chestnuts, the sleeves of the song are separated, green thorns entangled in silver mud. Source from 'Yue Lulu Pian'.
挽: To strive to improve or restore the situation: salvage. To turn the tide with great effort.
菱: Describing a fresh and beautiful appearance.
Meaning: Picking water chestnuts symbolizes diligence and harvest, with a fresh and natural atmosphere.