not know one end (of something) from another

To have absolutely no knowledge about something. I don't know one end from another when it comes to computers, so you'll have to explain this to me really slowly. What's an attachment again? Jeff wouldn't know one end of a baby from another. Thank goodness Frank is there to help babysit.See also: another, end, know, not, one

not know/not be able to tell ˌone end of something from the ˈother

(informal) know absolutely nothing about something, for example a machine: Don’t ask me to fix the car. I don’t know one end of an engine from the other.See also: able, end, know, not, of, one, other, something, tell

单词	not know one end (of something) from another
释义	not know one end (of something) from another not know one end (of something) from another To have absolutely no knowledge about something. I don't know one end from another when it comes to computers, so you'll have to explain this to me really slowly. What's an attachment again? Jeff wouldn't know one end of a baby from another. Thank goodness Frank is there to help babysit.See also: another, end, know, not, one not know/not be able to tell ˌone end of something from the ˈother (informal) know absolutely nothing about something, for example a machine: Don’t ask me to fix the car. I don’t know one end of an engine from the other.See also: able, end, know, not, of, one, other, something, tell
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