grind out an oath

例句：

1. 1. The potatoes were ground into a paste.
   土豆被碾成泥。
2. 2. The chef ground the meat with a mortar and pestle.
   厨师用研钵和捣杵把肉磨碎。
3. 3. The ground coffee is stronger than the powdered one.
   磨碎的咖啡比粉末的更浓。