Literature Reference: Pure in body to repay the rain and dew, sharp in speech to fan slander and flattery. Source from 'Qū Hànyuàn Zāo Wū Gòu Sìshíliù Yùn'.
利: "Smooth and auspicious, this character embodies great fortune, representing a favorable outcome in all endeavors when used in a name."
口: Oral cavity, harbor.
Meaning: A sharp tongue signifies eloquence and debate skills, but it also hints at potential use in slander or flattery.