to appear suddenly on the screen
появиться внезапно на экране (poyavitsya vnezapno na ekrane)
"A message just popped up on my screen."
"сообщение только что появилось на моем экране." (soobshchenie tol'ko chto **poyavilos'** na moyem ekrane.)
to express doubt or uncertainty about something
to organize efforts to oppose something
to improve someone's mood or spirit
to continue progressing with clear goals and motivation
to keep emotions inside instead of expressing them
to distribute or send invitations to people