1.   Five crooks, one detective and a drug deal gone sour.

2.   In these temperatures, milk goes sour very quickly.

3.   The drummer passed out, the bassoonist dropped his bassoon, the trombonist sputtered and went sour.

4.   Too often relationships go sour or become impoverished through lack of attention.

5.   Their songs are filled with tales of love gone sour.

6.   Sent his girlfriend flowers as a propitiatory gesture for a date gone sour.

7.   He returned to Sunderland before that epic transfer to Ayresome Park, and then his career went a little sour.

8.   Alliances can be dropped rapidly if things go sour.

9.   And like a lot of regular guys in the days before the war went sour, they volunteered for duty in Vietnam.

10.   And its success went sour.