bystander造句 31. Police warn bystander to keep away from the blazing building. 32. Police attach credence to the report of an unnamed bystander. 33. Joy was weeping too, but as a bystander she kept her wits about her. 34. Civics teacher Devin Carberry talks about the bystander effect in relation to the Holocaust with his high school class at the ARISE Charter School in Oakland, Calif. 35. Is there no problem about me having to die as an innocent bystander?