| 单词 | not know your arse from your elbow |
| 释义 | not know your arse from your elbownot know your arse from your elbow spoken used to tell someone to hurry up to be stupid and confused about simple things 一无所知，屁都不懂 一无所知，屁都不懂 → not know your arse from your elbow at arse1(4) |
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英汉双解词典包含283110条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。