/ˈmɪrəkl ||; ˈmɪrəkḷ/noun1 [C] a wonderful event that seems impossible and that is believed to be caused by God or a god 神迹；奇迹
2 [sing] a lucky thing that happens that you did not expect or think was possible 奇事；不可思议的好运: It's a miracle (that) nobody was killed in the crash. 这起撞车事故中没有人死亡，真是奇迹。
work/perform miracles to achieve very good results 创造奇迹:
The new diet and exercise programme have worked miracles for her. 新的饮食和锻炼方案在她身上产生了奇效。