One Idiom One Day: Quantum leap
I think that she has shown a quantum leap in her performance and should be rewarded accordingly.
to make a significant improvement or dramatic advancement
The leap being quantum creates a speculation that it comes from the Physics world. There is no evidence found in the literary world towards its origination though.
E.g., To take a quantum leap in the direction of your dream will be difficult but never stop striving until you achieve what you have set out for.
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