scale something down

Từ điển Oxford Advanced Learner 8th

ˌscale sthˈdown derived
(NAmE also ˌscale sthˈback)to reduce the number, size or extent of sth
•We are thinking of scaling down our training programmes next year.
•The IMF has scaled back its growth forecasts for the next decade.
•He was using scaled-down versions of his father's tools.
Main entry: ↑scale_derived