flare (someone's) nostrils

Translations
раздувать ноздри
He flared his nostrils in anger.
Он раздувал ноздри от гнева.
Definitions
To flare someone's nostrils refers to the action of expanding or widening the nostrils, often as a response to strong emotions such as anger, excitement, or fear. It can indicate heightened feelings or a physiological reaction to stimuli.
Words
nostril

noun
ноздря
flare

verb
вспыхивать