| 单词 | not know your ass from your elbow |
| 释义 | not know your ass from your elbow(chiefly US) informal + impolite or British not know your arse from your elbow : to know nothing : to be stupid愚蠢之极；屁都不懂
⇒ Main Entry: 1 know |
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英汉双解词典包含109353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。