stumble over (words)

Traducciones
запинаться на (словах)
He often stumbles over his words when he's nervous.
Он часто запинается на словах, когда нервничает.
Definiciones
To have difficulty speaking clearly or fluently, often resulting in hesitations, mispronunciations, or interruptions.
Palabras
stumble

verb
спотыкаться
stumble over

verb
спотыкаться