This is the 17710th most frequent Russian word.
удивился
"Was surprised" or "became surprised."
In this sentence, "удивился" indicates a reaction to an unforeseen event, portraying emotional astonishment.
Он удивился неожиданному подарку.
He was surprised by the unexpected gift.
Here, "удивился" expresses personal surprise upon discovering new information.
Я удивился, когда узнал об этом.
I was surprised when I found out about this.
This usage of "удивились" reflects a collective shock or amazement towards someone's skill or action.