This is the 5154th most frequent Russian word.
научились
"Learned" or "have learned."
In this sentence, 'научились' indicates the acquisition of a new skill through deliberate practice or learning during a specific period of time.
Мы научились играть на гитаре за лето.
We learned to play the guitar over the summer.
Here, 'научились' is used to show the overcoming of challenges and the development of a specific ability or skill.
Дети научились решать сложные задачи.
The children learned to solve difficult problems.
In this context, 'научились' denotes the process of gaining competence in a professional collaboration setting.