draw a blank
成語所屬單字blank
draw a blank — 慣用語
1. to try to remember or find something but fail completely, so your mind or your s
1.慣用語
釋義
毫無頭緒;想不起來
to try to remember or find something but fail completely, so your mind or your search returns nothing useful.
例句
Detective Reyes drew a blank when she searched the database for the suspect's fingerprints.
Lior drew a blank in the spelling bee and had to sit down silently.