What does the name "knife in the snow" mean?

The name of the fierce knife line in the snow comes from the acquaintance of Xu Fengnian and Bai Huer's face.

Xu Fengnian and White Fox Face Nangong servant met in the snow, that is, Xu Fengnian returned from his first trip to the Jianghu, and they met in the snow, that is, they gave up the assassination of the new emperor Zhao Zhu in Xu Fengnian, and White Fox Face really admitted that she was a girl and wanted to marry Xu Fengnian. In this way, this has become an important reason for the origin of the name "fierce knife in the snow".

Characters:

In "A Door Closed by Snow", Lao Huang was played by Yang Haoyu. He is a key figure. His departure made Xu Fengnian determined to learn martial arts, and Yang Haoyu's humorous and steady performance made Lao Huang shine at the moment.

Xiao Xu is played by Hu Jun. He is the soul of the play. In Xu Fengnian's words, he is a scheming old guy. Hu Jun's acting skills can be called textbook level. Love is true love, cruelty is really cruel.