by leaps and bounds
idiomPart ofleap
by leaps and bounds — idiom
1. very quickly; at a remarkably fast rate of progress or improvement.
1.idiom
Definition
very quickly; at a remarkably fast rate of progress or improvement.
Example
Her Mandarin has improved by leaps and bounds since she moved to Taipei.
The city's public transport system has grown by leaps and bounds over the last decade.