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)
to start having doubts about a decision you have made
to stay focused on your goal or objective despite obstacles
an attempt to deceive someone into revealing personal or con...
to avoid bringing up a problem that will cause trouble
to avoid attracting attention; to stay calm and unnoticed
to have something as the main point or reason