take down a notch
Verb
Meaning
(transitive, idiomatic, of a person or organization) To cause a person's or group's self-esteem or importance to be decreased.
(transitive, idiomatic, of a thing) To cause the quantity, degree, or intensity of something to be decreased.
Source: en.wiktionary.orgSynonyms
bring down a notch
dial down a notch
take down a peg
knock down a peg
knock down a notch
pull down a notch
move down a notch
bring down a peg
move down a peg
pull down a peg