Looking up...
그는 코앞의 것을 못 본다며 중요한 서류를 놓쳤다.
He missed the important document, saying he couldn't see what's right in front of him.
To fail to notice something that is obvious or right in front of you.
그녀는 코앞의 것을 못 본 채로 길을 건넜다.
She crossed the street without noticing the car that was right in front of her.
Often used to criticize someone's lack of awareness of an obvious fact.