士: Gentleman, lady, or sir, these terms are often used as elegant appellations for individuals of distinction, typically referring to those who possess an admirable demeanor, grace, and a refined sense of propriety. When applied to a name, it suggests that the person embodies a harmonious blend of character and poise.

勇: Brave, fierce. Often used in male names, embodying the qualities of responsibility, courage, and a commanding masculine presence.