例句-1:The Olympic gymnast had scored well on her floor exercises, but not enough to earn a medal. She knows she has one final opportunity, so she's making a last-ditch-effort. If she doesn't succeed this time, she'll likely be too old to try again at the Games in four years.
例句-1:I'd never had much luck in my garden. Everything I'd ever planted failed to grow. I was about to give up. But I thought I'd try one more time by choosing a different location. My last-ditch-effort made all the difference. Now I've got more tomatoes than I know what to do with!