Number + 名 + 路人
The noun 路人 (lùrén) means "passerby" or "bystander" and refers to a person who happens to be walking by a location. It is composed of 路 (road) and 人 (person), and is commonly used in news reports and narratives to describe witnesses or onlookers.
几位路人看到事故后立刻报了警。
jǐ wèi lùrén kàndào shìgù hòu lìkè bàole jǐng.
Several passersby called the police immediately after seeing the accident.
一个路人帮她捡起了掉在地上的东西。
yī gè lùrén bāng tā jiǎn qǐle diào zài dì shàng de dōngxi.
A passerby helped her pick up the things she had dropped on the ground.
路人纷纷停下来围观这场街头表演。
lùrén fēnfēn tíng xiàlái wéiguān zhè chǎng jiētóu biǎoyǎn.
Passersby stopped one after another to watch the street performance.