Allusion: Sun Jing is diligent and studious, so he prepared a rope, one end of which is tied to the beam and the other end is tied to his hair. When you are tired of reading and doze off, the rope will pull your hair to wake Sun Jing up and let Sun Jing continue his studies. During the Warring States Period, Su Qin studied hard and often stayed up late. In order to prevent drowsiness, he prepared an awl, stabbed himself in the thigh to wake himself up and kept reading.
2. Through the wall to borrow light: The original intention was that Kuang Heng in the Western Han Dynasty dug holes in the wall to attract neighbors to read by candlelight. Later, it was used to describe poverty and hard work.
Allusion: During the Western Han Dynasty, Kuang Heng's family was poor and could not afford lamp oil. One night, Kuang Heng happened to find the neighbor's light coming through the crack in the wall, so he widened the crack in the wall and read by the neighbor's light.
3. Xue Ying Yeast: For example, the family is poor and studies hard.
Allusion: Che Yin in Jin Dynasty was poor, unable to afford lamp oil, and unwilling to waste time studying at night. It is convenient to catch fireflies as lights in summer nights; Sun Kang in the Jin Dynasty used the light reflected by snow to study on winter nights.