concentrate

concentrate verb uk/ˈkɒnsəntreɪt/ us
B1 [ I ] to think very carefully about something you are doing and nothing else

концентрироваться
Be quiet - I'm trying to concentrate . I can't concentrate on my work. It's too noisy here. be concentrate d around/in/on, etc
to be present in large numbers or amounts in a particular area

быть сосредоточенным вокруг/в/на и т. д.
Most of the fighting was concentrate d in the mountains. Фразовые глаголы