旁观者

bù piān bù yǐ de páng guān zhě

不偏不倚的旁观者

a disinterested onlooker

yī qún páng guān zhě wéi zài shì gù xiàn chǎng

一群旁观者围在事故现场。

A crowd of onlookers had gathered at the scene of the accident.