| 单词 | be an unknown quantity |
| 释义 | be an unknown quantity be an unknown quantity → be an unknown quantity at unknown1(2) if someone or something is an unknown quantity, you do not know what their abilities are or how they are likely to behavebe an unknown quantity |
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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。