凿空取办

Explanation: That all sorts of pretexts to extract extortion. 　　Source: Song Yu Wen Bao, "recorded sword blow": "Xue Temple was announced that the counties Zaokong quarter to take office, despite instructions from law officials, want to relax and not wide-Cheng." Song Qiuke "Kui Tan Yi recorded in the system for ":" Fu people between real narrow, Zaokong taking office, County incompatible accommodation, fresh interest from the Governor. "