公务

official business

public / collectively owned / common / international (e.g. high seas, metric system, calendar) / make public / fair / just / Duke, highest of five orders of nobility 五等爵位[wu3 deng3 jue2 wei4] / honorable (gentlemen) / father-in-law / male (animal)

affair / business / matter / to be engaged in / to attend to / by all means

functionary / office-bearer

government functionary

(law) obstructing government administration

business class (airplane travel)