bystander
n
person standingnear, but not taking part, when sth happens; onlooker 旁观者
an innocent bystander 无辜的旁观者
Police interviewed several bystanders after the accident. 事故发生後, 警方接见了几个现场旁观者.
🗣️ 情景例句
She was playing with the idea of studying abroad.
她有出国留学的念头,但并非很认真。
I'm not really sure.
我不太清楚。
He was late again. It's typical of him to keep everybody waiting.