to draw a blank
01
to be unable to remember something clearly
![to [draw] a blank definition and meaning](https://cdn.langeek.co/photo/29665/original/?type=jpeg "to [draw] a blank definition and meaning")
Idiom
Informal
例子
He asked me for my phone number and I drew a blank - I just could n't remember it.
02
to be unable to come up with ideas or solutions to a problem
![to [draw] a blank definition and meaning](https://cdn.langeek.co/photo/40909/original/?type=jpeg "to [draw] a blank definition and meaning")
IdiomInformal例子
If they do n't have any leads, they'll likely draw a blank in the investigation.
