a big and sudden improvement
एक बड़ा और अचानक सुधार (ek bada aur achanak sudhaar)
"This discovery is a quantum leap in medical research."
"यह खोज चिकित्सा अनुसंधान में एक क्वांटम लीप है।" (Yeh khoj chikitsa anusandhan mein **ek quantum leap** hai.)
to drive very fast
someone who loves going to parties
To take risks or act dangerously.
people cannot change their basic character or nature
A creation that turns against its creator.
to start something that causes many unexpected problems