Know your ass from a hole in the ground Meaning in English
expression
释义
A very informal and crude way to say that someone is extremely clueless or incompetent about something; unable to tell even the most obvious differences.
用法与细微差别
Very crude and informal; only use with close friends or in humorous contexts. It is often said to strongly criticize someone's lack of basic knowledge or ability. Not appropriate in professional, polite, or formal situations.
例句
He doesn't know his ass from a hole in the ground when it comes to fixing cars.
basic
People say she doesn't know her ass from a hole in the ground in business matters.
basic
If you can't solve this, you really don't know your ass from a hole in the ground.
basic
Honestly, my cousin doesn’t know his ass from a hole in the ground about computers.
natural
You can't trust him with that project—he doesn't know his ass from a hole in the ground!
natural
After hearing his ideas, it's clear he doesn't know his ass from a hole in the ground.
natural