Welcome to English in a Minute,where we teach you all about idioms in American English
Has this ever happened to you ?
A:What was the name of America's first president?
B:I can't believe you don't remember that.Come on
A:I know.I know.I've completely drawn a blank.
"Draw a blank" She could not remember that George Washington was America's first president because she drew a blank.It's another way of saying "I can't remember"something.There another meaning,too.If you're looking for something,but can't find it,then you "draw a blank."In American English,you can use this phrase with friends or in business situations.
And that's English in a minute