HSK 7-9
坚韧
jiānrèn形
tough and durable; tenacious
这种绳索轻便又坚韧。
Zhè zhǒng shéng suǒ qīng biàn yòu jiān rèn.
This rope is lightweight yet tough.
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Appears across levels (7-9) in the HSK 3.0 word list.