off the rails

Translations
сойти с рельсов
After the scandal, his career went off the rails.
После скандала его карьера сошла с рельсов.
Definitions
A phrase used to describe someone or something that has deviated from the expected or normal course of action, often implying chaos or a lack of control.
Words
off

preposition
с
the

article or possessive pronoun
определённый артикль
rails

noun
рельсов