A long journey
Plodding, a Chinese idiom, Pinyin is p ú P ú D à ot ú, which means running on the road, and describes the tiredness on the way. It comes from the strategy of frontier defense in three provinces by Yan Ruyu in Qing Dynasty.
Idiom usage
As a predicate; used of a journey
Examples
His sister-in-law is safe, but his brother is so busy that he doesn't know how he is.
The origin of Idioms
According to Yan Rufu's "three provinces border defense strategy" in the Qing Dynasty, "if the inn had to make a monthly report as usual, it would be a long way to go
Idiom explanation
Running on the road. It's tiring on the way.
A long journey
suffer from one ailment after another - sān zāi bā nàn
injure the public interest to benefit one 's private interest - sǔn gōng féi sī