In southern Fujian, there is a kind of grass, which is called hard grass by the people. After very hard work, people will pick this grass to cook soup. What is this?
It's a plant. It looks like a broom. It's called tired grass It may be a place, a dialect. I don't know the scientific name
After very hard work, in vain.
The surname will pick such grass to make soup.
It can relieve fatigue.