2. Origin: The word "cold night" comes from a night-mooring near maple bridge written by Zhang Ji, a poet in the Tang Dynasty.
3. The original text is as follows:
Crows fell on the moon, crowed coldly, slept on maple trees, and slept in fishing lanes by the river.
In the lonely Hanshan Temple outside Suzhou, the bell that rang in the middle of the night reached the passenger ship.