draw a blank

Mane (Îngilîzî)

1. (idiomatic) To be unable to recall a required piece of information.
2. (idiomatic) To fail; not to find anything; to produce no successful response.

Hevwate

block

forget

blank out

unlearn

leave

bury

leave behind

Werger

oublier

dimenticare

quedar-se en blanc

ξεχνώ

ξεχνάω

faire chou blanc

bot vangen

esquecer

olvidar

نسِي

quedarse en blanco

oblidar

Etîmolojî (Îngilîzî)

Probably from the idea of drawing of a blank (losing) ticket in an old-fashioned lottery.