in no small measure

Từ điển Oxford Advanced Learner 8th

in no small ˈmeasure | in some, equal, etc. ˈmeasure idiom
(formal)to a large extent or degree; to some, etc. extent or degree
•The introduction of a new tax accounted in no small measure for the downfall of the government.
•Our thanks are due in equal measure to every member of the team.
Main entry: ↑measure_idiom