사건이나 현장에 있었지만 직접 참여하지는 않은 사람.
A person who is present at an event or incident but does not take part in it.
예문:
"Several innocent bystanders were injured when the building collapsed unexpectedly."
"The police are questioning every bystander who witnessed the street performance."
"It is difficult to remain a passive bystander when you see someone in need of help."