Meaning of the word "at first glance" in English

What does "at first glance" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

at first glance

US /æt fɜrst glæns/
UK /æt fɜːst glɑːns/

Idiom

when first seen or considered; before a more careful examination

Example:
At first glance, the problem seemed easy, but it was actually quite complex.
She didn't impress me much at first glance.