At a glance : Meanings and examples

At a glance (phr.) ऐट अ ग्लान्स 

Meanings  :--

                    In a glimpse, immediately upon looking,

                     To give a quick short look.

                     एक नजर में 

Examples :--

                        You can't judge a person at a glance .

                         I can tell you at a glance, what's wrong with your car.

                         She saw at a glance what had happened.