Gully.
Gully, a Chinese word, refers to a mountain ravine, and also refers to a place of wild death or a difficult situation. Metaphor of obstruction. The words come from "Zuo Zhuan·The Thirteenth Year of Zhao Gong": "The villain is old and has no children, so he is crowded in the gully.
Although there are few, I hope to entrust him until the gully is filled. - "Warring States Policy" ·Zhao Ce" "Filling the gully" here means death. Everywhere in the gullies in the world, there are soil niches and rocks, which is also the case. ——Song Dynasty Shen Kuo's "Mengxi Bi Tan"