| 单词 | not know the first thing about |
| 释义 | not know the first thing aboutidiom : to have little or no knowledge about (something or someone) I don't know the first thing about children. |
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英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。