剥肤及髓

Explanation: Exploit deep metaphor. 　　Source: "New Book of Tang Tokgo and Communication": "Bean Street squad were the first street museum, wine and meat slaves tired, hungry and poor people lean on the reserve, peel skin and pith." 　　Examples: Hardships, that the private school times the official sign, the amount of miscellaneous floating in the positive; exceptionally extortion, into the name of reparation; all the Er moment, ~. ★ "hog day to discuss the American Way"