| 1. | His original enthusiasm has turned sour .
他当初的积极性已淡下去了。 |
| 2. | I never heard him make a sour expression .
他从来不作尖酸刻薄之语。 |
| 3. | Thundery weather often turns milk sour .
打雷的天气常常使牛奶变酸。 |
| 4. | The year began on a somewhat sour note .
新年伊始，就有点不景气。 |
| 5. | The old man has been soured by poverty .
那老人因贫困脾气都坏了。 |
| 6. | Their faces were habitually sour .
他们的面部表情平常总是愠怒的。 |
| 7. | Heartburn and sour "acid" eructations are frequent .
常有烧心感和嗳酸。 |
| 8. | The fruit is still green and eats sour .
果子还青，吃起来很酸。 |
| 9. | The situation in iraq has turned sour .
伊拉克的局势已趋恶化。 |
| 10. | The hot weather has soured the milk .
酷热的天气使牛奶酸了。 |
