hardness
n. [物] 硬度；坚硬；困难；冷酷
例句
In America, people don't normally admit to the hardness of life.
在美国，人们通常不承认生活的艰辛。
《柯林斯英汉双解大词典》
He felt the hardness of the iron railing press against his spine.
他感觉到硬梆梆的铁栏杆抵住了他的脊梁骨。
Taichi carries traditional Chinese philosophy, such as being in harmony with nature and using softness to beat hardness.
太极承载着中国的传统哲学，如与自然和谐相处，以柔克刚。
