There was something in my throat, hard and sharp and stopping me from breathing or from crying out.

我的喉咙里有什么东西， 又硬又尖，阻止我呼吸或哭泣。

Their hooves have adapted to the season, turning hard and sharp in winter, allowing them to dig down to the last remaining food - lichen, buried under the snow.

它们的四蹄已适应了这季节，在冬季就变得坚硬而锐利，从而使它们能挖出这里最后残留的食物，就是埋在雪层下的地衣。