This is the 12479th most frequent Polish word.
najchętniej
"Most willingly" or "preferably."
Here, 'najchętniej' is employed to describe the preferred activity of children based on preferences.
Dzieci najchętniej bawią się na podwórku.
Children prefer playing in the yard.
In this statement, 'najchętniej' highlights the enthusiasm or preference Ewa shows towards a specific task.
Ewa pracuje nad tym projektem najchętniej.
Ewa works on this project with the greatest willingness.
In this sentence, 'najchętniej' is used to express a strong preference or choice.