What are the idioms used by ancient people to describe hard work?

Capsule fireflies reflect snow, steal wall light, hang beam and stab stocks, study in the snow, study in the middle of the month.

First of all, fireflies reflect snow [ná ng Yying Yying Xu Ying]

Commentary: It turns out that Che Yin takes care of books with fireflies in his pocket, while Sun Kang studies hard with the reflection of snow. After that, I described studying hard.

From: Yuan Jia Zhong Ming's Xiao Shulan: "Although there is no sweat and sleep cream, I have suffered from snow."

Although it is difficult to sweat and sleep immediately outside, books with fireflies in their pockets are also difficult to take care of.

Second, cut the wall and steal the light [zá o bí t not u gu ā ng]

Explanation: Kuang Heng in the Western Han Dynasty dug holes in the wall to attract neighbors to study by candlelight. Later, it was used to describe poverty and hard work.

From: Liu Xin's Miscellaneous Notes on the History of the Han Dynasty in Xijing, Volume II: "Kuang Heng is a naive girl who studied hard without a candle, and her neighbor had a candle and failed to catch it. Balance is to send its light through the wall and read it with a book that reflects light. "

Kuang Heng, what he said is naive. He studied hard without candles, and his neighbors didn't arrest them. Zhang Heng then went through the wall to get its light and read it with a book that reflected light.

Three, hanging beam thorn 【 Xu Liangbing 】

Description: Describe studying hard.

From: The Warring States Policy Qin Ce I by Liu Xiang in the Western Han Dynasty: (Su Qin) was sleepy when he was studying, and he was bleeding from his feet. "Han Shu by Ban Gu in the Eastern Han Dynasty": "Sun Nai's literary talent, studious, sooner or later. When you are tired of sleeping, tie your head with a rope and hang the housing beam. "

Liu Xiang of the Western Han Dynasty wrote The Warring States Policy. Qin Ce Yi: (Su Qin) tried to sleep while studying, stabbed himself in the thigh with an awl, and his blood flowed to his feet. "Hanshu Bangu" Hanshu ":"Sun is a treasure of literature, eager to learn, and never stops. As for sleep fatigue, tie your head with a rope and hang it on the roof beam. "

Fourth, study in the snow.

Explanation: Read with the reflection of snow. Describe studying hard.

From: Southern Dynasties, Liang's "A Little Yangzhou": "Picking fireflies to reflect snow, weaving cattails to catch willows." Quote "A Record of Sun Shi": "The Jin family is poor and often studies in the snow."

As for taking pictures of books with fireflies in your pocket, weaving is used for calculation. "A Record of Sun Shi" said: "In the Jin Dynasty, my family was poor, and I often borrowed snow to look at the moon."

Verb (abbreviation for verb) reads on the moon.

Explanation: Use moonlight to illuminate reading. Describe a poor family and study hard.

Said by: Li Tang Yanshou's Biography of Southern History and Jiang Bi: "If you are poor, you will make a living during the day and study by moonlight at night. If you are light, you will climb the house and sleep extremely."

I was very poor when I was young, and I made a living by collecting junk during the day. In the evening, I read by moonlight. I climbed onto the roof and deflected until I fell to the ground.