by leaps and bounds
US /baɪ liːps ænd baʊndz/
UK /baɪ liːps ænd baʊndz/

1.
a passos largos, rapidamente
very quickly; rapidly
:
•
The company's profits grew by leaps and bounds this quarter.
Os lucros da empresa cresceram a passos largos neste trimestre.
•
Her English improved by leaps and bounds after she moved to London.
O inglês dela melhorou a passos largos depois que ela se mudou para Londres.