烧硬

例句：

1. 1. The metal was so hot that it burned my hand.
   金属太热了，烫到了我的手。
2. 2. The cake was too hard to cut with a knife.
   这个蛋糕太硬了，用刀切不动。
3. 3. The ground was too hard for the horses to walk on.
   地面太硬了，马儿走不了。