| 词汇 | nail down |
| 释义 | phrasal verb All the parties seem anxious to nail down a ceasefire. 各方似乎都渴望将停火之事敲定。 She says she'll come, but I can't nail her down to a specific time. 她说要来，但我无法让她敲定具体什么时候来。 |
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