어떤 일이나 상황에 직접 참여하지 않고 옆에서 지켜보기만 하는 사람.
A person who watches an event or activity without being directly involved in it.
예문:
"A crowd of curious onlookers gathered to watch the street performers."
"The police are appealing for any onlookers who saw the accident to come forward."
"He stood apart from the group, a silent onlooker to the heated debate."