save the day:转危为安,反败为胜,挽救局面
The team was expected to lose, but Mike made three points and saved the day.
球队本来要输了,但麦克投中了一个三分球并反败为胜.
The forest fire was nearly out of control when suddenly it rained heavily and saved the day.
森林火灾几乎无法控制,幸好老天突然下起大雨,才化险为夷.
Your excellent speech calmed the crowd and saved the day.
你精彩的演讲安抚了群众,并解决了棘手的问题.