reduce (something) to ashes

Translations
превратить (что-либо) в пепел
The fire reduced the ancient library to ashes.
Пожар превратил древнюю библиотеку в пепел.
Definitions
To completely destroy something by burning it until only ashes remain; often used figuratively to mean utterly ruining or eliminating something.
Words
ash

noun
пепел
reduce

verb
уменьшать