ㄐㄧㄢjiānㄖㄣˋrèn

  1. 堅固韌性·朱弁舊聞·》:西北堅韌。」堅固堅實堅忍堅硬脆弱鬆脆

tough and durable, tenacious
persévérant, tenace, opiniâtre, constance, patience, persécution
konsequent, beharrlich (Adj)​