to finish preparations or close something securely
завершить приготовления или закрыть что-то надежно (zavershit' prigotovleniya ili zakryt' chto-to nadezhno)
"Let’s button up the proposal by Friday."
"Давайте button up предложение к пятнице." (Davaite button up predlozhenie k pyatnitse)
there is hope for success in the future
to be extremely frightened
to rely on or depend on something happening
to do exactly what is needed to get a desired result
to reverse a situation and gain the upper hand
to make progress or advance