Learner's definition of MIRACLE
1 : an unusual or wonderful event that is believed to be caused by the power of God 2 : a very amazing or unusual event, thing, or achievement
It would take a miracle for this team to win.
The bridge is a miracle of engineering. = The bridge is an engineering miracle.
the miracle of birth
It's a (minor) miracle that he succeeded.
the miracle of his recovery
She worked miracles with those kids. [=she accomplished wonderful things with those kids]
a miracle drug/cure [=a drug/cure that is extremely or amazingly effective]
These days, thanks to the miracle of television, we can watch events happening on the other side of the world.
By some miracle, I was on time for work every day this week. [=it is surprising/amazing that I was on time for work every day this week]