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
When the teacher asked me to explain the concept, I drew a blank and could n't find the right words.
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
I've been searching for my keys all morning, but I keep drawing a blank.
