坚韧 jiānrèn HSK7 tough and durable Definitions Defs Origin Strokes Stroke Words Sentences Sents jiānrèn tough and durable 坚 堅 jiān adjectivenoun hard (bound form) hard; solid; firm韧 韌 rèn adjectivenoun tough and pliable (bound form) strong but flexible; tenacious; difficult to break or snap.jiānrèn tenacious 坚 堅 jiān adjectiveverb resolute firmly; resolutely; unyielding; without shaking韧 韌 rèn adjectivenoun tough and pliable (bound form) strong but flexible; tenacious; difficult to break or snap.