secretly or without public knowledge
в секрете или без публичного знания (v sekrete ili bez publichnogo znaniya)
"A lot of work happens behind the scenes to make a movie."
"Много работы происходит за кулисами, чтобы создать фильм." (mnoho raboty proiskhodit za kulisami, chtoby sozdavat' film)
I do not know the answer to a question
to process data or analyze statistics
very close friends who share everything
to feel very happy
something that is being developed or planned
very energetic and lively
