| 馊主意 | sōu zhǔ yi | rotten idea | |
| 出馊主意 | chū sōu zhǔ yì | to machinate; to propose devious schemes | |
| 馊臭 | sōu chòu | reeking; putrid |
| 1 | The milk has been soured. | |
| 2 | How Do Refrigerators Prevent Food From Spoiling? | |
| 3 | Take the cheese away, it smells. | |
| 4 | Food can easily go sour in warm weather. | |
| 5 | The milk has soured overnight. |