This is the 3641st most frequent Russian word.
столкнулся
"Сталкнулся" means "encountered" or "faced" in English.
In this sentence, 'столкнулся' is used metaphorically to indicate encountering or coming across an issue or challenge.
Я столкнулся с трудностями при изучении нового языка.
I encountered difficulties while learning a new language.
Here, 'столкнулся' is used literally to describe meeting or encountering someone unexpectedly.
На дороге я случайно столкнулся с другом, которого давно не видел.
On the road, I accidentally ran into a friend I hadn't seen for a long time.
In this context, 'столкнулись' refers to a clash or disagreement between parties or ideas.