stiff end

例句：

1. 1.The car's steering wheel is so stiff that it can hardly be turned.
   这辆车的方向盘太硬了，几乎转不动。
2. 2.The old man's joints were stiff and painful.
   老人的关节僵硬且疼痛。
3. 3. The ice cream was so stiff that it wouldn't melt in your mouth.
   冰淇淋太硬了，咬下去不会融化。