Literature Reference: 绝荤终不改，劝酒欲无词。—— 《随章留后新亭会送诸君》 Abstinence remains unchanged, yet words fail when urging wine. Source from 'Suizhang Liu Hou Xin Ting Hui Song Zhu Jun'.
无: No, it's clean, won't happen.
词:
Lyrics, musical notation, lyricist.
Meaning: Wordless conveys a deep emotion or profound thought that words cannot express.