a smile in (someone's) voice

Translations
улыбка в голосе
You could hear a smile in her voice when she spoke about her vacation.
Было слышно улыбку в ее голосе, когда она рассказывала о своем отпуске.
Definitions
A phrase used to describe when someone's tone of voice sounds cheerful, warm, or happy, as if they are smiling while speaking, even if you can't see their face.
Words
smile

noun
улыбка
voice

noun
голос