官官相护

officials shield one another (idiom); a cover-up

surname Guan

government official / governmental / official / public / organ of the body / CL:個|个[ge4]

each other / one another / mutually / fret on the neck of a pipa 琵琶[pi2 pa5] (a fret on the soundboard is called a 品[pin3])

appearance / portrait / picture / government minister / (physics) phase / (literary) to appraise (esp. by scrutinizing physical features) / to read sb's fortune (by physiognomy, palmistry etc)

to protect