公事 (gōng shì): Official business (Noun) — Meaning & Stroke Order

This is official business, not personal matters.

He is going to the office today to handle some official business.

Is this business trip purely for official business, or do you have other personal plans?

Please do not frequently disturb me with personal matters during non-working hours while I am handling official business.

At the meeting, everyone only discusses official business and avoids personal topics.

Although it's strictly official business, he still maintains a friendly and cooperative attitude during the negotiations.