| 释义 |
idiomnot know your arse/ass from your elbow(also not know your ass from a hole in the ground AmE)spoken a rude expression used in order to say that someone does not understand what is happening, or cannot do their job properly:If you'll excuse the expression, I don't think the company knows its arse from its elbow."Does he work for Huey's company?" "No, he's an electrician who Huey says doesn't know his ass from a hole in the ground."
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