not tell anyone about something
не говорить никому о чем-то (ne govorit' nikomu o chem-to)
"Please keep it to yourself until we’re ready to announce."
"Пожалуйста, оставь это при себе, пока мы не будем готовы объявить." (pozhaluysta, **ostav' eto pri sebe**, poka my ne budem gotovy obyavit')
a sudden realization or idea
something that has a very small chance of success
to do extremely well on a test
to suggest that someone said something they didn’t actually...
to feel deep sadness or sorrow
to stay focused on achieving your goal