| 单词 | close the book on sth |
| 释义 | ● close the book on sth to stop doing sth because you no longer believe you will be successful or will find a solution （因相信不会成功或没有结论而）放弃◆ The police have closed the book on the case (= they have stopped trying to solve it ). 警方已经放弃侦破此案。See also book |
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