to work hard on something for a long period
работать усердно над чем-то в течение длительного времени (rabotat' usyerdno nad chem-to v techeniye dlitelnogo vremeni)
"She grinded away at her studies to pass the exam."
"Она усердно работала над своими исследованиями, чтобы сдать экзамен." (ona usyerdno rabotala nad svoimi issledovaniyami, chtoby sdat' ekzamen)
to act independently and follow your own ideas
to understand or solve something by combining information
a delicate situation requiring careful diplomacy
to allow something to happen on a large scale; to trigger a...
to aim for something very ambitious
to forget disagreements and be friendly again
