This is the 2587th most frequent Russian word.
столкнулись
"Столкнулись" means "collided" or "encountered."
The term 'столкнулись' here metaphorically refers to encountering or dealing with an issue.
Мы столкнулись с неожиданной проблемой.
We encountered an unexpected problem.
In this sentence, 'столкнулись' is used to describe a physical collision.
Автомобили столкнулись на перекрёстке.
The cars collided at the intersection.
Here, 'столкнулись' metaphorically conveys the meeting or crossing of gazes.