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Hardness
01
the degree of difficulty involved in accomplishing a task
02
a quality of water that contains dissolved mineral salts that prevent soap from lathering
03
the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale
04
devoid of passion or feeling; hardheartedness
05
excessive sternness
例子
They underestimated the hardness of the mountain climb.
The hardness of the exam left many students feeling overwhelmed.
The project was known for its hardness, requiring detailed planning and effort.
She didn't anticipate the hardness of learning a new language from scratch.
The hardness of the task was clear, but they were determined to succeed.
