at a (single) glance
idiomPart ofsingle
at a (single) glance — idiom
1. Seeing or understanding something very quickly, with just one quick look.
1.idiom
Definition
Seeing or understanding something very quickly, with just one quick look.
Example
Mia could tell at a glance that the cake was burnt.
At a single glance, the doctor knew the patient was in pain.