to start over again because the previous plan failed
начать заново, потому что предыдущий план не удался (nachat' zanovo, potomu chto predydushchiy plan ne udalsya)
"Our experiment failed, so we have to go back to the drawing board."
"Наш эксперимент не удался, поэтому нам нужно вернуться к чертежной доске." (Nash eksperiment ne udalsya, poetomu nam nuzhno **vernut'sya k chertyozhnoy doske**)
to allow others to live as they choose without interference
to be in a difficult situation requiring careful balance
to include something extra
to be confident and relaxed about who you are
to start thinking seriously about solving a problem
to turn something on so it operates
