It's hard to maintain focus for several hours.
Start →English
It's hard to maintain focus for several hours.
Russian
Трудно сохранять концентрацию несколько часов подряд.
Spanish
Es difícil mantener la concentración durante varias horas.
French
Il est difficile de maintenir sa concentration pendant plusieurs heures.
German
Es ist schwer, mehrere Stunden lang konzentriert zu bleiben.