draw a blank
US /drɔː ə blæŋk/
UK /drɔː ə blæŋk/

1.
gagal mengingati, tidak mendapat hasil
to fail to get a result or to find information
:
•
I tried to remember her name, but I just drew a blank.
Saya cuba mengingati namanya, tetapi saya hanya gagal mengingati.
•
The police questioned him for hours, but they drew a blank.
Polis menyoal siasat dia selama berjam-jam, tetapi mereka gagal mendapatkan apa-apa.