선수다

선수다

"선수다" means "to be skilled or adept at something" or can colloquially mean "to be a player" (in a romantic or social context).

In this sentence, '선수다' is used to mean 'a player', referring to a person who participates in a specific activity, typically a sport.

그는 축구를 정말 잘하는 선수다.

He is a player who is really good at football.

Here, '선수다' is used more metaphorically to describe someone who is highly skilled, akin to a professional or expert, in a specific field.

그 여자는 포커 게임에서는 선수다.

She is a pro in poker games.

In this sentence, '선수다' extends its meaning to describe someone with mastery or exceptional skill in a context other than sports or games.

그 사람 거짓말하는데 선수다.

That person is an expert at lying.