boast

It is impolite to boast about your high exam scores when your friends are struggling with the subject.

(Chinese) 当你的朋友们还在为这门课挣扎时，炫耀你的考试高分是不礼貌的。

The billionaire often boasted about his collection of rare vintage Ferraris.

(Chinese) 这位亿万富翁经常夸耀他收藏的罕见复古法拉利。