n. 艺高而自负的人, 货物快车, 快速交通工具, 大人物

[ noun ]
someone who is dazzlingly skilled in any field
<noun.person>

Hotshot \Hot"shot`\, n.
a successful, self-confident person who is regarded by others
as highly skilled; -- sometimes used ironically in reference
to aggressive persons whose opinion of their own talents is
considered exaggerated.
[PJC]

hotshot \hot"shot`\, a.
1. highly talented, self-confident and successful.
[PJC]

2. flamboyantly displaying one's skills.
[PJC]