smooth as silk

Translations
гладкий как шелк
His voice was as smooth as silk, making everyone feel at ease.
Его голос был гладкий как шелк, заставляя всех чувствовать себя спокойно.
Definitions
Extremely smooth, soft, or effortless; often used to describe something that is pleasant to touch or an action that is performed with great ease and grace.
Words
silk

noun
шелк
smooth

adjective
гладкий