to become very anxious or upset about something
становиться очень тревожным или расстроенным из-за чего-то (stanovitsya ochen' trevozhnym ili rasstroennym iz-za chego-to)
"He freaked over the missed deadline and couldn’t focus on anything else."
"Он так переживал из-за пропущенного срока, что не мог сосредоточиться ни на чем другом." (On tak perezhival iz-za propushchennogo sroka, chto ne mog sosredotochitsya ni na chem drugom)
to prepare an official agreement in writing
to gain momentum or progress faster
to result in a total amount; to make sense financially
to feel excited about something that is going to happen
to compensate for something bad or wrong you did
to gain motivation and enthusiasm from positive thoughts or...