go sour

常见例句

Food can easily go sour in warm weather.
天熱時食物很容易變餿。
Milk must be kept in a cool place, or else it will go sour.
牛嬭如果不存放在隂涼処，很快就會壞了。
Live upon the sour land long enough and you too will go sour and this will lead to disease.
生活在酸澁土地上足夠長的時間，你也將進入酸澁中，而這將帶來疾病。

"If there's one lesson that we've learned, it's that unfettered market where people are taking huge risks and expecting taxpayers to bail them out when things go sour is simply not acceptable."

Monte and Nomura entered into a perfectly legal contract which just happened to go sour for Monte.
FORBES: This Is One Way To Kill The European Banking System: Monte Dei Paschi And Nomura
Perhaps the judgment that would come raining down upon my head should the relationship go sour is what always kept me at bay.
FORBES: How I Stopped Being Scared Of Relationships At Work
But, if the pair should go sour and you find yourself soothing a co-founder breakup and heartache, remember to share your learnings and pay it forward.
FORBES: Co-Founder Breakups: Startup Lessons Learned (The Hard Way)