the person or thing that motivates or leads progress
человек или вещь, которая мотивирует или ведет прогресс (chelovek ili veshch, kotoraya motiviruet ili vedet progress)
"She was the driving force behind the project."
"Она была движущей силой проекта." (Ona byla **dvizhushchey siloy** proyekt)
to write something quickly for later use
to remain courageous and confident despite difficulties
in the process of being developed or built
to punish or criticize someone severely
to be very thankful about something
to eliminate something completely