the person or thing that motivates or leads progress
la personne ou la chose qui motive ou mène le progrès (la personne ou la chose qui motive ou mène le progrès)
"She was the driving force behind the project."
"Elle était la force motrice derrière le projet." (elle était **la force motrice** derrière le projet.)
someone or something that is very annoying
to do something different or unconventional
art should be valued for its beauty and not for any moral or...
to celebrate a special event or success
very stupid or slow-witted
to spend a lot of money in a short period of time