出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第248页（191字）
比喻盟约订立没有多久就违背诺言，例上个月我们才签订合约，没想到墨迹未干他便毁约了。
The contract was only signed last month and now with the ink barely dry．it has been broken already!