drag (someone's) name through the dirt

Translations
очернить (чьё-либо) имя
After the trial, they tried to drag his name through the dirt.
После суда они пытались очернить его имя.
Definitions
To damage someone's reputation by saying or spreading negative, often false or exaggerated, things about them.
Words
dirt

noun
грязь
name

noun
имя
drag

verb
тащить