C518 Danger!

It's talking about narrow.

After Ling Xin'er was kidnapped, Zhou Xuan had been escorting her back to Great Zhou, but he knew that the journey wouldn't be peaceful. Therefore, he sent dozens of people to suppress Ling Xin'er and send her to the narrow pass. He handed Ling Xin'er to Zhou Lia, who was guarding the narrow pass. He asked Ling Xin'er to bring Zhou Lia back to Great Zhou