Literature Reference: 越婢脂肉滑，奚僮眉眼明。—— 《相和歌辞 估客乐》 作者：元稹 The maids of Yue have smooth flesh, while the Xi servants have bright eyes and brows. Source from 'Guke Le' by Yuan Zhen.
奚: What; how. A classical Chinese auxiliary particle.
僮: A book attendant; a young servant.
Meaning: Xi Tong describes a servant with clear features and bright eyes, symbolizing wisdom and clarity.