interrupt (someone's) train of thought

Translations
прервать (чью-то) цепь мыслей
The loud noise interrupted my train of thought.
Громкий шум прервал мою цепь мыслей.
Definitions
To disrupt or break the flow of someone's thinking or concentration, often by speaking to them or causing a distraction.
Words
train

noun
поезд
thought

noun
мысль
interrupt

verb
перебивать