This is the 17701st most frequent Russian word.
ударялся
"Ударялся" means "was hitting oneself" or "was bumping into something."
The word 'ударялся' here describes the act of coming into physical contact with the door accidentally.
Я ударялся о дверь, когда проходил мимо.
I bumped into the door when I was passing by.
In this sentence, 'ударялся' refers to minor injuries or collisions occurring during football play.
Ты часто ударялся, играя в футбол.
You often injured yourself playing football.
Here, 'ударялся' metaphorically conveys that he dedicated himself deeply or got involved in studying philosophy.