The source of the allusion: "Twenty-two Sighs of Lu You's Poems": "Everyone is poor, and the world is good at talking about fools and working. Wrapped in a horse's heart and empty promises, he succeeded without drugs. In the morning, there is a thousand snows in Yule, and at night, there is a thousand winds outside the window. Only by borrowing wonderful books and reading hard can children continue to be popular. Idiom meaning: 1 medicine to prevent hand from freezing and cracking. 2 Metaphor is weak in talent and skills. Universal pinyin: bu gu chǒu Yao pinyin abbreviation: BGSY usage frequency: universal idiom words: four-character idioms