The name of the story about seeing the weather through the clouds.

Borrowing arrows from straw boats is a famous bridge in Battle of Red Cliffs of the Three Kingdoms. Zhou Yu deliberately offered to borrow arrows (limited to 100 thousand arrows in ten days). The witty Zhuge Liang saw through it at a glance and said calmly that it only took three days. In fact, Zhuge Liang knew that there would be heavy fog on the third day, so he had long thought about the plan of borrowing grass boats to release arrows. Sure enough, there was a fog on the third day. Zhuge Liang used the fog and Cao Cao's suspicious character to lure the enemy. Finally, he borrowed 100,000 arrows and made great achievements.

Take advantage of the east wind to burn Cao Ying.

Zhuge Liang and Zhou Yu made a plan to attack Cao Cao with fire. However, the northwest wind has been blowing on the river for several days, and the fire attack will not only burn Cao Bing on the north shore, but will burn himself. Zhou Yu was depressed by the east wind and was ill in bed. After Zhuge Liang knew it, he gave Zhou Yu a prescription. Zhou Yu opened it and read: If you want to break Cao Bing, attack him with fire. Everything is ready except the east wind. Zhou Yu admitted that his mind was guessed by Zhuge Liang and asked Zhuge Liang what he could do. Zhuge Liang said he could borrow the east wind. Zhuge Liang is familiar with astronomy and geography. By investigating the changes of topography and biology, he has figured out that there will be a southeast wind on 1 1 20th of the month, so he pretended to make a few strokes on the Seven Star Altar. 1 1 On the 20th of the month, there was a southeast wind blowing. Zhuge Liang accurately predicted the time of the east wind based on the analysis of weather and climate change and his own experience. However, in order to fool Zhou Yu, he set up an altar to worship God.