jiān
yìng
1
hard
2
solid
这块木头经过处理后变得很坚硬
This piece of wood becomes very hard after processing.
这个材料的质地非常坚硬耐用。
The texture of this material is very hard and durable.
这把刀的刀刃非常坚硬锋利。
The blade of this knife is very hard and sharp.
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