単語 "not know your ass from your elbow" の日本語での意味

"not know your ass from your elbow" は英語で何を意味しますか?Lingolandと一緒にこの単語の意味、発音、具体的な使い方を学びましょう

not know your ass from your elbow

US /nɑt noʊ jʊər æs frəm jʊər ˈɛl.boʊ/
UK /nɑt noʊ jʊər æs frəm jʊər ˈɛl.boʊ/
"not know your ass from your elbow" picture

慣用句

1.

何も知らない, ばかである

to be very stupid or ignorant; to lack basic knowledge or common sense

:
He's so incompetent, he doesn't know his ass from his elbow.
彼はとても無能で、何も知らない
Don't ask him for help; he doesn't know his ass from his elbow when it comes to computers.
彼に助けを求めないで。彼はコンピューターに関しては何も知らない
Lingolandでこの単語を学ぶ