What does it mean to say that there is smoke on someone’s ancestral grave?

Green smoke coming out of ancestral graves means: good luck.

Legend has it that Han Xin, a subordinate of Liu Bang, the emperor of the Han Dynasty, casually buried his mother on a geomantic treasure land, which led to his subsequent prosperity; Zhu Yuanzhang, the emperor of the Ming Dynasty, buried his father, and the burial site happened to be the Longyun Zhenxue. , so the surname Zhu was born in 277.

There are many such words in the official history of China. "Book of the Later Han·Biography of Yuan An" (Volume 45) records that Yuan An, who served as a military commander when Liu Xiu, Emperor Guangwu of the Han Dynasty, was guided by a god when he buried his father, and chose a geomantic treasure land, and he became rich and prosperous from then on.

"At the beginning, when An's father died, his mother sent An to visit the burial place. He met three scholars and asked him where he was. An told him why he was born, and his life refers to a place. He said, 'He is buried here, and he will be the Lord in this world.' He disappeared for a while, so he was buried in the place he occupied, so he prospered for generations."

Extended information:

Black smoke comes from the exhaust pipe

< p> If it is black smoke, the specific external manifestations of the car are: the car body and engine shake a lot, the exhaust pipe makes abnormal sounds, and black smoke is emitted at the same time, and you feel weak when accelerating. In this case, the car body is really showing up. Something went wrong.

This phenomenon is mainly caused by engine overload, insufficient cylinder pressure, engine temperature is too low, air filter is clogged, individual cylinders are not working and ignition is too late, resulting in excessively rich mixture and incomplete combustion.

If this kind of failure occurs, you should promptly check whether the choke is fully open, and perform maintenance if necessary; after turning off the flame, look at the main nozzle from the carburetor mouth. If there is oil injection or dripping, the float chamber If the oil level is too high, it should be adjusted to the specified range, and the main measuring hole should be tightened or replaced; if the air filter is clogged, it should be cleaned, unclogged, or replaced.