妨害公务

(law) obstructing government administration

to hinder / (in the negative or interrogative) (no) harm / (what) harm

to jeopardize / to be harmful to / to undermine

to do harm to / to cause trouble to / harm / evil / calamity

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)

official business

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