turn sour

Examples (10)

• Milk turns sour quickly in hot weather.
• By the next day the wine had turned sour.
• Their relationship quickly turned sour.
• Their friendship has turned a little sour.
• Hopes can easily turn sour without proper planning.
• Without clear communication, the project could turn sour.
• The negotiations turned sour when both sides refused to compromise.
• The political climate has turned sour in recent months.
• Don't let a small disagreement turn your whole day sour.
• Expectations often turn sour if they are too high.