She's decided to go for the brass ring and start her own business.她决定抓住良机，自己创业。He made his first try for the brass ring when he ran for mayor a few years ago.几年前他为把握成功机遇进行了首次尝试，参加了市长竞选。He missed the brass ring at the last convention.他在上次的大会上失去了获胜的良机。