1.He had looked at the milling sheep with a sour expression, said, "Some a these never went up there with you. "
不过他看过那些满地乱转的羊后，面露不悦：“这里头有些羊可没跟你们上山。”
2.I never heard him make a sour expression.
他从来不作尖酸刻薄之语。
