長官

senior official / senior officer / commanding officer / CL:位[wei4] / sir (term of address for senior officer)

length / long / forever / always / constantly

chief / head / elder / to grow / to develop / to increase / to enhance

surname Guan

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

chief cabinet secretary (Japan)

secretary of state (esp. historical, or Japanese or Korean usage)

chief executive / magistrate