坚硬

Traditional form:

堅硬

Pinyin (reading):

jiānyìng

Definitions:

• hard
• solid

Characters:

• 坚 - hard, strong; firm, resolute
• 硬 - firm, hard, strong; obstinate

Traditional characters:

• 堅 - hard, strong; firm, resolute
• 硬 - firm, hard, strong; obstinate