to go sour
01
(of situations, moods, or relationships) to become unpleasant or unsuccessful
![to [go] sour definition and meaning](https://cdn.langeek.co/photo/41295/original/?type=jpeg "to [go] sour definition and meaning")
Idiom
예시들
Their romantic relationship went sour when they realized they had different long-term goals.
02
(of food or drinks) to become unpleasant in taste or smell
Collocation예시들
Be sure to check the expiration date; yogurt can quickly go sour.
