During the Jiaqing period, there was Zhang Ying in Nanpi, Cangzhou. Zhang Ying has been an official for more than 30 years and attached great importance to education.

Every midnight, Zhang Ying will send two policemen to patrol the city with tung oil baskets. In the evening, when I saw a family member reading a book, I helped him add a spoonful of lamp oil to encourage him. This is the origin of "refueling".

Refueling is a Chinese word, which literally means adding fuel oil or lubricating oil to a running machine or car. Wider usage is an encouragement and spur to oneself or others, and it is the most commonly used word in life.

Extended data:

Refueling is a Chinese word, which literally means adding fuel oil or lubricating oil to a running machine or car. Wider usage is an encouragement and spur to oneself or others, and it is the most commonly used word in life. Different countries have different views.

Explain in detail:

1, pointing to adding oil fuel to the fuel tanks of automobiles, airplanes, tractors, etc. Or apply lubricating oil to the bearing parts of machinery, or pour cooking oil into the oil pan for delicious cooking.

2, metaphor for further efforts. Source: Chapter 3 of Defending Yan 'an: "Director Yang read the words recorded in this book and said,' ... Come on, comrades! "The stadium is crowded with people, and everyone is cheering for their team.

"Come on" has become an inspiring slogan.

This story gradually spread and became an inspirational story to encourage people to persist in their struggle in difficulties. People express their encouragement and support to others through this story and the word "come on" in the story. These two words have aroused people's enthusiasm for learning and enterprising spirit.

To sum up, the word "refueling" is said to come from the story of persuading students in the Qing Dynasty, which is related to the imperial examination. By describing a child's persistent learning process and a teacher's exhortation, this story encourages people to continue their efforts under difficult circumstances.