RichThesaurus
go to shit
vs
take a turn for the worse
go to shit
verb
To become much worse.
To completely fail; to have no result.
take a turn for the worse
verb
To start to become worse; to worsen.
How often have the words
go to shit
and
take a turn for the worse
occurred in a corpus of books?
(source:
Google Ngram Viewer
)