high roller

US /ˈhaɪ ˈroʊlər/
UK /ˈhaɪ ˈroʊlər/
"high roller" picture
1.

豪賭客, 大亨

a person who gambles or spends large sums of money

:
The casino caters to high rollers with exclusive VIP rooms.
賭場為豪賭客提供專屬貴賓室。
He's known as a high roller in the business world, always making big investments.
他在商界被稱為大亨,總是進行大筆投資。