Zhè / zuò / gǔ / mù / de / mù / dào / hěn / xiá / zhǎi / zhǐ / néng / yí / ge / rén / tōng / guò

这座古墓的墓道很狭窄，只能一个人通过。

The passage of this ancient tomb is very narrow, allowing only one person through at a time.