| 单词 | 留有一手 |
| 释义 | 留有一手留有一手[liú yǒu yì shǒu]1.■have a card up one's sleeve:比尔经常留有一手， 所以当第一个计划失败后， 他就试行第二个。Bill always has a card up his sleeve, so when his first plan failed he tried another. |
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