Words used to describe the relationship ,百炼成钢(becoming tough after experience;:becoming steel after hundreds of forging) 铁肩(iron shoulder) 弹性(elasticity) ,铸造人格(personality casting). ,抗压力(anti-pressure) 刚毅(stiffness) ,耐力(endurance) 成型(formation) 疲劳(fatigue) 缺陷(defect,shortcoming/weakness) 脆弱(brittleness) 变形(deformation) ,不堪重负(overwhelming) ,凝聚力(cohesive force) ,核心(nucleus) ,焊合(welding) 融合(melting,fusion) 催化(catalyze) 塑造形象(image-building,molding)Words used to describe the relationship  百炼成钢（becoming tough after experience; becoming steel after hundreds of forging）  铁肩(iron shoulder)  弹性（elasticity）  铸造人格(personality casting)  抗压力(anti-pressure)  刚毅(stiffness)  耐力(endurance)  成型(formation)  疲劳(fatigue)  缺陷(defect, shortcoming/weakness)  脆弱(brittleness)  变形(deformation)  不堪重负(overwhelming)  凝聚力(cohesive force)  核心(nucleus)  焊合(welding)  融合(melting, fusion)  催化(catalyze)  塑造形象(image-building, molding)