to start working seriously
начать работать серьезно (nachat' rabotat' seryozno)
"If you want to pass the exam, you’d better buckle down and study."
"Если ты хочешь сдать экзамен, тебе стоит buckle down и учиться." (Yesli ty khochesh' sdat' ekzamen, tebe stoit buckle down i uchit'sya.)
to make a bad situation seem better by dealing with it calml...
to do something secretly or deceitfully against someone
to think or speak about something repeatedly
a very clever or intelligent person
to transfer or store one’s thoughts, knowledge, or conscious...
to return to the right path after a mistake or setback