To uncover hidden evildoings or concealed corruption; to be astute and sharp in identifying and exposing clandestine misconduct.
这位新任负责人以其发摘奸隐的精明，很快就理清了部门内积压已久的问题。
The new head, with his astuteness in uncovering hidden malpractices, quickly sorted out long-standing issues within the department.
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