used to describe someone who is at the lowest point in their career, etc and everyone thinks that they have no hope at all, but then they get a chance to be successful again due to their hard work, luck, or other reasons.是什么意思 used to describe someone who is at the lowest point in their career, etc and everyone thinks that they have no hope at all, but then they get a chance to be successful again due to their hard work, luck, or other reasons.怎么读