This is the 510th most frequent Bulgarian word.
удар
"Uдар" in English means "strike" or "blow."
In this sentence, 'удар' refers to a physical blow or strike.
Той получи силен удар по лицето.
He received a strong hit to the face.
Here, 'удар' metaphorically describes something that caused a significant impact or effect against someone's interests.
Усилията му бяха истински удар за конкурентите му.
His efforts were a real blow to his competitors.
In this context, 'удар' is used figuratively to describe an intense surge of emotion.