twitch (someone's) mouth

Traductions
подергивать (чей-то) рот
His mouth twitched in amusement.
Его рот подергивался от удовольствия.
Définitions
To twitch someone's mouth refers to a sudden, involuntary movement or spasm of the muscles around the mouth, often indicating nervousness, excitement, or a physical reaction to an emotion.
Mots
mouth

noun
рот
twitch

verb
дергаться