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nail sth. down [英] [neɪl ˈsʌmθɪŋ daʊn] [美] [nel ˈsʌmθɪŋ daʊn] [短语] 把…确定下来 词频排名 32411/55435 学习人数 785 难度等级 2/10 认知比例 39.86% 例句 I can't nail her down to a specific time. 我无法让她说出确切的时间。 It take the negotiator ten hours to nail a deal down. 参加协商的人花了十个小时才敲定一桩生意。 助记 联想 nail 钉子,指甲,趾甲 钉住,抓住,使固定
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