a stain on (someone's) character

Translations
пятно на (чьей-то) репутации
The scandal left a stain on his character.
Скандал оставил пятно на его репутации.
Definitions
A blemish or mark on a person's reputation or integrity, often resulting from a wrongdoing or scandal that negatively affects how they are perceived by others.
Words
a

article or possessive pronoun
неопределённый артикль
stain

noun
пятно
on

preposition
на
someone

pronoun
кто-то
s
притяжательная форма
character

noun
репутация