First, the original:
Legend has it that Li Bai's study is like a mountain in his ears, and he abandoned it before he finished his studies. "Kick down the ladder when you are old. When you asked him, he said, "I want to be a needle." Taibai feels its meaning and returns to school. "
Second, the source:
Mo Town, San Lan Mei Zhou, Song Dynasty.
Third, allusions:
Li Bai, a famous poet in Tang Dynasty, never studied hard when he was a child. He often throws away his books and goes out to play. One day, Li Bai met a white-haired old woman who was grinding a big iron bar on a stone. She was curious and asked what she was doing. The old woman told him to grind it into an embroidery needle. Li Bai was deeply moved, studied hard and finally became a writer.
Fourth, examples:
1, we often say: As long as the kung fu is deep, the iron pestle is ground into a needle.
Teachers often use the story of "As long as you work hard, the iron pestle is ground into a needle" to educate us that we must work hard and persevere if we want to achieve something in our studies.
3, dripping wears away the stone, as long as the effort is deep, the iron pestle is ground into a needle.
After five years of hard work, he mastered English skillfully.
As long as the kung fu is deep and the iron pestle is ground into a needle, he can overcome it no matter how difficult it is.