This is the 3215th most frequent Chinese word.
公務
"Public affairs" or "official duties."
Here, 公務 is used to refer to 'official business' or 'government-related tasks' that someone is responsible for.
他今天不能外出，因為需要處理一些公務。
He cannot go outside today because he needs to handle some official business.
In this sentence, 公務 signifies 'duties' or 'tasks' typically associated with a role in a governmental or official capacity.
她在政府部門工作，經常需要出差辦理公務。
She works in a government department and often needs to travel for official duties.
This illustrates 公務 being used to describe responsibilities or work of an official nature.