The phrase "determined effort" means giving your best and putting in a lot of hard work to achieve a specific goal, despite facing challenges or obstacles along the way.
Sentences with «determined effort»
That in turn means more funding for research, and a more determined effort to control aging through medicine, one step at a time. (fightaging.org)
The space station has survived several determined efforts to kill it. (newscientist.com)
It's hard to do without making a real determined effort. (stylebee.ca)