常見例句雙語例句Hold your cards close to the vest.收好你的牌 。Big advertisers have kept the information they gather from their own campaigns close to the vest.大型廣告客戶將從自己主辦的活動中收集到的信息牢牢抓在手里。Do you keep this stuff close to the vest in order to prevent leaks?你是特意保密以防泄露消息嗎？權威例句"He keeps his cards close to the vest, so it's hard to tell what he's thinking, " he says.NPR: Ex-Rocket Scientist To Oversee Financial BailoutApparently, Verizon and Nokia are playing their cards close to the vest and refusing to disclose specific details about a potential deal.ENGADGET: Verizon confirms ongoing talks with Nokia for potential tie-up, declines to kiss and tell 返回 close to the vest