hardness
英 ['hɑːdnəs]
美['hɑrdnɪs]
	    - n. [物] 硬度;坚硬;困难;冷酷
 
英英释意
- 1. the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale
 
- 2. devoid of passion or feeling
 
- 3. the quality of being difficult to do;
 - "he assigned a series of problems of increasing hardness"
 
- 4. excessive sternness;
 - "severity of character"
 - "the harshness of his punishment was inhuman"
 - "the rigors of boot camp"