Christmas Eve can also be translated as: SilentNight, HolyNight.
Silent Night is Christmas Eve, the night of December 24th. If translated literally, it is "quiet night". There is a Christmas hymn called Silent Night, which is sung everywhere every Christmas, especially abroad.
When people translated this Christmas song into Chinese, the vernacular was still popular at that time, so in order to translate it well and to be close to the meaning of Jesus bringing peace, the title of the song was translated It became "Silent Night" and it has been passed down ever since.