① Familiarity: Familiarity.
2 Red is better than fire: bright red is better than flame.
3 blue: blue grass, leaves can extract blue dye. Here, the color of blue grass is used to describe the depth and clarity of rivers.
Simple meaning: Jiangnan is a good place, and I used to be familiar with the scenery there. At sunrise, the red flowers on the riverside are brighter than the flames. Spring has come and the river is as green as blue grass. Can you not miss Jiangnan?
Today's translation:
Jiangnan is a good place, and the scenery there is familiar to me. At sunrise, the rolling waves in the river are redder than fire. In spring, a river with green water seems to be saturated with blue grass. How can people not always miss the beautiful south of the Yangtze River?