Literature Reference: 丈夫誓许国，愤惋复何有？—— 《横吹曲辞 前出塞九首 三》 A man pledges his life to his country, what regret can there be? Source from 'Hengchui Qupian: Qian Chusai'.
誓: To vow. To pledge. To make a solemn oath.
国: Nation, capital. In names, it often conveys the meaning of lofty aspirations and extraordinary ambitions.
Meaning: Pledging to serve the country embodies loyalty and dedication.