镂冰炊砾

Explanation: Language of the Song Huang Ting "send Wanglang" poem: "Mi final straw for unsaturated sand, engrave text fee Gongqiao ice." Metaphor in vain. 　　Source: A phrase from the Song Huang Ting "send Wanglang" Poetry is not the final straw full of sand for Mi, engrave text fee Gongqiao ice. " 　　Examples: Mulberry leaves work, hard like, ~. Liu Chuang ★ Song "River Red" Words