Literature Reference: 夫子莞尔而笑，曰：‘割鸡焉用牛刀？’——《论语·阳货》 The Master smiled and said, 'Why use an ox-cleaver to kill a chicken?' — From 'The Analects of Confucius, Yang Huo'.
莞: A gentle smile, described as "a delicate and charming smile," embodies elegance and dexterity, signifying wisdom, understanding, warmth, and cleverness, leading to prosperity, success, and happiness.
尔: Thus, in this manner.
Meaning: Wan'er refers to a gentle and warm smile, symbolizing kindness, approachability, and composure.