high roller
大赌客，有钱人
口语·指大款或大赌客
英文释义
someone who spends a lot of money or takes big risks, typically in a luxurious or extravagant manner.
例句
At the casino, the high rollers get free drinks and private suites.
典故来源
源自20世纪赌场术语，指下注金额巨大的赌客，后泛指花钱大手大脚或敢于冒险的人。