Translate this essay, junior high school level.

China New Year is now commonly called Spring Festival, because it begins in beginning of spring (the first of the 24 solar terms, to match the natural changes). Its origin is too old to trace back. Several explanations are pending. However, everyone agrees that the word "nian" only means "nian" in modern Chinese. It was originally the name of a monster, which began to prey on people the night before the start of the new year.

China's New Year is now very famous, that is, the Spring Festival, which begins at the beginning of spring (the first of the 24 solar terms in the lunar calendar). Its origin can't be traced back, only some folklore. But people all know the word "year". Although it only means "one year" in modern Chinese, it is still the name of a monster in ancient times. This monster has been arresting people everywhere since New Year's Eve.