What did Tomb-Sweeping Day mean when he dreamed that his grave was propped up?

People who plan to go out dream of their ancestral graves and suggest delaying their departure for a few days.

Pregnant people dream of their ancestral graves, which indicates that boys and girls will be born in spring and summer.

People who talk about marriage dream of their ancestral graves, which shows that they don't believe in rumors and are expected to get married.

Entrepreneurs dream of their ancestral graves, which shows that they have succeeded, made money, and entered and exited carefully.

Those who are preparing for the exam dream of their ancestral graves, which shows confidence. Success must belong to you. Work hard.