| 单词 | be an old hand (at something) |
| 释义 | be an old hand (at something) be an old hand (at something) → be an old hand (at something) at old(11) to have a lot of experience of somethingbe an old hand (at something) |
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初中学习网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。