official duties; work of officials
Refers to the duties or work performed by government officials or civil servants. Somewhat formal and bureaucratic.
He is so busy with official duties that he has no time to rest.
In between official duties, I made a brief personal phone call.
Compound of 吏 (official, civil servant) and 務 (duty, task). The exact historical derivation is uncertain, but the combination straightforwardly conveys 'official duties'.