a change for the worse

Translations
изменение к худшему
The weather took a change for the worse.
Погода изменилась к худшему.
Definitions
A situation or condition that has deteriorated or become less favorable compared to a previous state.
Words
a

article or possessive pronoun
неопределённый артикль
change

noun
изменение
for

preposition
к
the

article or possessive pronoun
определённый артикль
worse

noun
худшему