boggle at (something)

Translations
поражаться (чему-то)
Someone might boggle at the idea of traveling to Mars.
Кто-то может поражаться идее путешествия на Марс.
Definitions
To be astonished, confused, or overwhelmed by something, often because it is surprising, difficult to understand, or hard to believe.
Words
boggle

verb
изумляться
at

preposition
при
something

pronoun
что-то