This is the 8947th most frequent Polish word.
skończyliśmy
"We finished" or "We are done."
The word 'skończyliśmy' is used to indicate that an activity, 'our work for today,' has been completed by a group of people.
Skończyliśmy naszą pracę na dziś.
We finished our work for today.
The word 'skończyliśmy' here forms a question, asking if all tasks ('our duties') have been completed by the group.
Czy skończyliśmy już wszystkie obowiązki?
Have we already finished all our duties?
The word 'skończyliśmy' describes the action of completing the activity of reading ('the book') before starting another activity.