Terms for subject Idiomatic containing core

English	Russian
at the very core	в основе ("Communication is at the very core of our society. That's what makes us human." – Jan Koum quotes from BrainyQuote.com VLZ_58)
shake to the core	потрясти до глубины души (When I heard the news, I was shaken to the core Taras)
shock to the core	шокировать (Taras)
shock to the core	потрясти до глубины души (тж. см. shake to the core Taras)
strike at the core	вырвать опору из-под ног (Acruxia)
strike at the core	пошатнуть основы (Acruxia)
the core	до самого основания (The Greek crisis is shaking the IMF to its core. VLZ_58)
thrill to the core	потрясти до глубины души (Taras)
to the core	основательно (VLZ_58)
to the core	глубоко (They were shaken to the core. VLZ_58)