vainglory
🇺🇸
/ˈveɪnɡlɔːri/
🇬🇧
/ˌveɪnˈɡlɔːri/
excessive pride in one's own achievements or qualities
His constant boasting about his success was a clear sign of vainglory.
他不断炫耀自己的成功明显是自负的表现。