serve (someone) with a smile

Translations
обслуживать (кого-то) с улыбкой
The staff always serves their customers with a smile.
Персонал всегда обслуживает своих клиентов с улыбкой.
Definitions
To provide service to someone in a friendly, cheerful, and pleasant manner, often literally smiling while doing so.
Words
serve

verb
обслуживать
someone

pronoun
кого то
with

preposition
с
a

article or possessive pronoun
неопределённый артикль
smile

noun
улыбка