tourner au vinaigre

== French == === Pronunciation === IPA(key): /tuʁ.ne o vi.nɛɡʁ/, /tuʁ.ne.ʁ‿o vi.nɛɡʁ/ === Verb === tourner au vinaigre (figuratively) to go sour ==== See also ==== tourner court ==== Further reading ==== “vinaigre”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012