Usar "card shark" en una oración

1. all they had, only to see it lost in an instant to professional card sharks

2. “I think you’re right Falcon! We should also send them a copy of the movie JAWS along with the card, as a sort of consolation prize after being taken in by our resident card sharks…”

3. Card sharks lingered over green-felt tables in back rooms, smoking cigars, waiting for victims