2 sentences for 关 (guān — mountain pass)

1. 将士们日夜守卫着这道雄关。

   jiàng​shì men rì​yè shǒu​wèi zhe zhè dào xióng guān.

   The soldiers guard this formidable pass day and night.

   Source: Dong Chinese Dictionary

2. 远处矗立着一座气势非凡的雄关。

   yuǎn​chù chù​lì zhe yī zuò qì​shì fēi​fán de xióng guān.

   A magnificent mountain pass stands in the distance.

   Source: Dong Chinese Dictionary