1. The horse stumbled and injured its forehock during the race.
这匹马在比赛中绊倒了，伤到了它的前腿之一。

2. The butcher carefully removed the forehock from the pig before cutting it into pieces.
屠夫在将猪切成块之前小心翼翼地切下了猪的前腿之一。

3. The forehock of the dog is sharp and can cause serious injury if it bites someone.
犬牙的前端很尖锐，如果咬到人会造成严重的伤害。