ante up (something)
phrasal verb with ante verb uk/ˈæn.ti/ us/ˈæn.t̬i/ anteing
US informal
（常为不情愿地）付出，拿出（钱）
to give money, often unwillingly
At least 200 people have been persuaded to ante up big money for the charity event. 他们说服了至少200人向这项慈善活动慷慨解囊。