1, tell me about the origin of the idiom "honey in mouth and sword in belly"

From Zi Tang, "Li is a scholar, or Yang is kind to him, and when he is sleepy, he talks sweet words. The world says that Li has honey in his mouth and a sword in his stomach. " Later, I used the "sweet sword" as a metaphor for being poisonous, cunning and insidious.

One day, thousands of miles of rivers are going downhill, and another day.

On the same day, over time, not a day.

Embroidering tired during the day, Kuafu chasing the sun.

Wind, snow, moon, dark flowers and bright Cycas are talking.

All kinds of flowers and birds, fire trees and silver flowers

The bridal chamber blooms and the dead trees bloom.