保护伞bǎohùsǎn〈比喻fig.〉可以起保护作用的有威慑性的力量或有权势的人(多含贬义{oft. derog.}){umbrella; power or status that protects owing to its capacity to deter}: 核～{nuclear umbrella}|拉关系,找～{seek protection by cultivating a network of connections}|官僚主义往往是贪污分子的～。{Bureaucracy often acts as a shield for the corrupt.}