| 词组 | an ace in the hole |
| 释义 | an ace in the hole American an advantage that you have that other people do not know about. The local team has an ace in the hole with their new player. |
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英语词组固定搭配大全包含18674条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。