effort

EFFORT noun

uk/ˈefət/ us effort noun
(ENERGY)

B1 the energy that you need to do something

усилие
I put a lot of effort into organizing the party. [ + to do sth ] It would take too much effort to tidy my bedroom.
[ U ] the force that is used to make something move

усилие

 be an effort
to be difficult or painful

требовать усилия, даваться с трудом
After his accident, walking was an effort .